{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xdb7a7ea7760ec6f551d2738b421fd18fd316f61ef4699c2a350bf8cc3d00c868",
    "signature": "0xac3e32833b0d73fbeec5d30986ec48baed0c74cc4c7365d732614eb44626e3fb4f6e606a771107a2fb36c1f3ff53bb32aa2eb60b95a34d4d9fa469fd182221211c",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}