{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132688416",
    "entityType": "User",
    "nonce": "0xaaf9b7e3b993837012f7a66b6e96d45e3d6375fd164256c3d1da9535aad85d88",
    "signature": "0xf859c6e4becf616acebdb344d490365c6fe6a488855085f667971c2d61975d8159a4a34a05325bb7bb93e3bed22666749c962b92ac4a7a375bd064a26d3275511c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}