{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83483639",
    "entityType": "User",
    "nonce": "0x931e0e4692e43b35151d13c5bf25bda070ae83365df60cf38afb8df91b52d3d8",
    "signature": "0x4deafa190f6062176d66bfd38b8cb4758627909ca9a0dd88013365555c5e97762e485095e71c299a5044e439cb731eeeb203be9e1259f1ea22ef4001feb972141c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}