{
  "manageEntity": {
    "action": "Update",
    "entityId": "967397462",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa47b95393c82fc2e86ea4f3409fac3136577e9f8c2f9b78b91a766d22c6c6009",
    "signature": "0xece250a0659ce44aaba1d60dc5dbe6038e1bc8944981b08e5c31eabb734d0a956387b2dfe21101439561389c6b1f74fbb414ceed42597c98d95a218cea4a7d161b",
    "signer": "0x375A5c8e2177Dd23db2b9E3D32B93F91AE5eE5df",
    "userId": "967397462"
  }
}