{
  "manageEntity": {
    "action": "Update",
    "entityId": "93176421",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd327d1dde1804b874c2df327fe8a1bcffea2635aa9382eaf423431cc3c77092f",
    "signature": "0x163f973d0559ec9aaaaf470cb404e0dee10610e0b93195467b7d85807af05e536778b22c2b243fd295dd6bb77320d2bb1eb4522ec38685eddfcf12bb81d5be6e1c",
    "signer": "0x51b3C55CCBf38453853E1fac9983a9F06CB12BCb",
    "userId": "93176421"
  }
}