{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995388",
    "entityType": "User",
    "nonce": "0x73d50109a160c82017cf820d780e52f55004b492e1ab025f7bf808ae4192f537",
    "signature": "0x1d5ef59de11bd4a57cb7b15f843955ce7eec1155225615a17de5a9e587471af2053fd484df5002f3a48d8e4c1b61f36fee74a429c8dff3e852fc9377e767b3641c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}