{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0x9e68da3c351b0f3a65b310ddbcc1b9bc22087835c17eec6fd17574a9523ee26b",
    "signature": "0xbc4c83ce29d955f52c1f65c8426dad0340960fad9d29a48297273731732bfdb41b73da34fb18b136679af5cda297523be9647b7eccc0ebf6180d7ebee59cf0e31c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}