{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159467",
    "entityType": "User",
    "nonce": "0x693ea89fe94bfcd5112de69e5a61cacb7fed98255a27d2ccd71cba1fe69b7a08",
    "signature": "0x71d90bcf66158940af5d905f2f30908d6a6855e83bf41eb58abaa01a56d012ca3737bde88bfa8b14004b4fe88f8c4cc9dc6f63d72b8703c33c1ace4cb9af08121c",
    "signer": "0x55468B5b5E23C33f7E9D5569ba2E65189f8206C7",
    "userId": "158468791"
  }
}