{
  "manageEntity": {
    "action": "Update",
    "entityId": "982556274",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x61d7b50114867200debc7d1f638d72308aa24b1a16d06e935db17060e9dbd236",
    "signature": "0xb530e1a19097afcbc611f7003d4a869dc2a49fe80d25459f34c36693fac0532b71f418f978027b43be283f9e44bb4b84e0a1692eb5e6385cdd7d1d248c48b7711c",
    "signer": "0x323Ee5F53D4082579bFd2C1b0534A15D2B21A50d",
    "userId": "982556274"
  }
}