{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x157b6f9bf7d85204d1e271bcebb90b19accb68d829076ba8b7db97dfdb1dee4a",
    "signature": "0x1ed35d9ef6d1a3d9821a538e132fe32b8338ff19aee309c8e399be4590cd7a96123e89b47e8619d9b9d43035ab706bf704e04397d7d07475903dbeadf48df18b1c",
    "signer": "0x459e2D20CE26A6b8c5688216Cd9D1Ee0646e3a90",
    "userId": "84381348"
  }
}