{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943748539",
    "entityType": "User",
    "nonce": "0xc8b6f07070ee10595c3663f4852833ba60dd12b6b14c21e327784014754052c4",
    "signature": "0xbbe88b475032d2faa7e60774048fb3653e51ce41d8576b60e215e6d9749bef664739515da410452cc39a7c9cd6d567e13910df8b5625dac8d836a2ce0dba821d1b",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}