{
  "manageEntity": {
    "action": "Update",
    "entityId": "626777695",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb3b360df96be29b2b628ab5e83329445d28d7d77a515998cb2743e3dffb1d940",
    "signature": "0x9dd445d5dbcdabda46a7bfec6bf254822613bc2fc91018e94950d0a9da5f965e107fe9dd682b2e9d54be289eed90ed9ef9309b66ed775c10f236b6366b1098b31c",
    "signer": "0xfDD86dA2081039B574A1b90e23943c722aB9aad5",
    "userId": "626777695"
  }
}