{
  "manageEntity": {
    "action": "Update",
    "entityId": "115868048",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbafc753faa70d022fdfa6848bca5832c91329c25ee6f397fdbc7ca5c30e4645d",
    "signature": "0x0025bef50d34465b93efbeb9b6f51eb74b95565e42a37e79717c207a42f93ee0517655bfde4ae3a1365cc0787f0f8b6ae3e1344675e6be3309fa41a2a1645a5c1c",
    "signer": "0xced91F66D8d173030a8ad1e3eA67f5790199C230",
    "userId": "115868048"
  }
}