{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943263428",
    "entityType": "User",
    "nonce": "0x229bda0e25ee7f3dfd6585b3d9df8458d2b3181c415b6037ace3ac399627c0ce",
    "signature": "0xcf05caa2e7487c9215c96fcd25700518ea80570c64ce93ac02699200e115b0bd0932f8be94aed489793182abc44d970780d60285fc0535ad18219cc832eafeec1b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}