{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115887",
    "entityType": "User",
    "nonce": "0x51a40ac9f45f5ddd2a44bf73b4542174533c36449fd92294571be97656f2308b",
    "signature": "0xb5249b5fd76b86079e41cc09f7d59302d59f9be18f5e1d9977c7050c8066d37666775689503429caaccb21d34e0ce4cecd49997de82551e6f107f88529456a341c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}