{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1028",
    "entityType": "User",
    "nonce": "0x0054b2b28981a5631e248ca43c7f00a60eba263adf64b541c7468a52a8b27a73",
    "signature": "0x9c3efaec27c138b80757bf31fd9df7c0d3c5cafb58fd5eab5ceba126a8643a0d5c5ca29a5335369c36a29af8fe815d1e6b6d79ca4ee24cf47bf78cea6f4240f51c",
    "signer": "0x11cd379D12F9a2c7BAaE2f74F1914A8c50faF2c3",
    "userId": "387949683"
  }
}