{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x65869a9a56d001204383ec64dc519b8479b75023e39d91c053e7d41701e108fd",
    "signature": "0xe6e55d3e791d9e163d536d38a87bc9cdd1259a502a8b14715d254a891ca43ded660eefe2576a249a1984be740d76191db4eecb384ad9f7757318eb0a408219c71c",
    "signer": "0xdc774bc3dDe14Deb5FFf307E6B1BA0fC77D1243E",
    "userId": "274667836"
  }
}