{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "237284",
    "entityType": "User",
    "nonce": "0xabf9165b69e4d6debf9d564b5e7e51bc01b82ff47a6ef1022551c4eb79c9d539",
    "signature": "0x370b35400f4cf12a90d977b154ee7b4396b43d08ea538a271e9a76b541fa84936c04895263797ce0251f8e136591d1c8d0931867e70cda020389686cdc4e4d101c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}