{
  "manageEntity": {
    "action": "Update",
    "entityId": "209686301",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieragdqrm4c3giuplovz36k666tvxluza5z4i4nd65rvn5xioei2nqcq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2115423733}]}}}",
    "nonce": "0x6e5cc38de5be215bcf22ba69b5d005382b6f1f187374e5cb8cccd0afb57fd369",
    "signature": "0xf9aefa7b138f61d26440d06b13752374a5daa0a8e7aaa631ae03e8d17473d74720901dc16751146976fad30314e0f502f7bc08223757e721ed552e4e5f2773ad1b",
    "signer": "0x8132B158578e2d9a33bde55ac683a86E1791cfd6",
    "userId": "209686301"
  }
}