{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6220",
    "entityType": "User",
    "nonce": "0x2ee2a24c1591b82556f14bda9edb874f73bcd240352b6c0d0fe40556456336da",
    "signature": "0xd079dd39b12d491b9ca2faf315ca4167c7cdc7ed6fb9ae42e1567dba7b2941c82b23c3b382221e2195ec20d12c54a0d4a468b2d83463472d4aedce8487fe7ec51b",
    "signer": "0x8390eb5322e546C10222F9b3987A297333439FEe",
    "userId": "361182652"
  }
}