{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x1a3f5d141610d621998f6bf1683b1bb66e5bbbec09b8bfc7930444b5d5677e2c",
    "signature": "0x99a1829322064319d3c83e0b374e3989d846efb11ea07a7faadb5cf0a2ed5dfa4a73ce9cf3094b84d72763c99a7794d33266d549c2afe2eae74056b544bd72b21b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}