{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66217",
    "entityType": "User",
    "nonce": "0x813df294bd3e3db5dfe043e78d470e243b10d13af91f5753d1ac08650a262de5",
    "signature": "0x7e7d10e9a5faa6800838a3ac5a3adf9a7488d9319e8947d09fb85c9c015a1f885be22a466d4dd772254476643b0acbd6476df9133bb57fe147659a72608a2ed01c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}