{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183245",
    "entityType": "User",
    "nonce": "0x92bdbfe03ab44ee1bbb6d023598dca71e4f2da42549a7ebfaa3a5eaafc4251be",
    "signature": "0xe694a8801a88555142e953f44c4f3214b9e230af0e53e0251fa7079a7144f2677e6f02c3d950a1e84f47a97e13a77d9eedba5aee0128a68db547c911f0cddf371b",
    "signer": "0x1D39F8e516ce73CEB9d18405037d4ac6b5bAD8D6",
    "userId": "114562491"
  }
}