{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84815",
    "entityType": "User",
    "nonce": "0x7d404740391cddb1add7d04779fc14d99f08151c4d40015038b5c05d0f9087f8",
    "signature": "0x703c6d613619ab6ad85d6f6fc5b8706e95c78a2a6af05de55edc618ec99bfd506196dd657d92c274465c8ac013b7ed807b4c004d283bc8fc6f4bb2b90a0a20f81c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}