{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360947161",
    "entityType": "User",
    "nonce": "0xe35f81506ae12ef44ad4c95fcfcd139da1ebc55a5fe6da14687e8c9f43c8a24c",
    "signature": "0x792d139ccba7161fdbf826952a57c56ce1ffcf0e1294338e32ede26edc5db4337a61e4899a1d6740771ec63ac8f27657323bb22fa7fdf0b97337f65f51c5a8391b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}