{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x96c7359622113277784cc9cd120b10119544a12c0b4824e4084295e6feec35a8",
    "signature": "0xf58c03cd5512a8709de6b601481ea5006a6f3df450e7ca213007c3b8dfed910a17ae232d5a03d254cfbd326ea9e5b9c83586a7756f80c4153237bc1ca7b418281b",
    "signer": "0x302F85f02b8ae7F2E519eCfE62B52372AFb09892",
    "userId": "434221292"
  }
}