{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110410",
    "entityType": "User",
    "nonce": "0xca5918a86ce6d5289c5b8d76b4355a100601c93fc90d5d814f9061bc7e44f901",
    "signature": "0xe3e31242b51b9a93bc894ecbdda1832e8758ca88711b85ff3be5afa4ecba24fc44900a4aff6217ca6f203fb92aa9fa497966c53c3b1fdecb83d83d93fabb201d1b",
    "signer": "0x6f828868368AA98fd60Bc2c5C32f791eedF56e98",
    "userId": "283783333"
  }
}