{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171892",
    "entityType": "User",
    "nonce": "0x45be035d90bd7e47fcec4879222559469f8a2c535dcea45358fa2c113f39d9a7",
    "signature": "0x0e331a2803888272325e456a7ddccf78a7cfe6a360c38d96a734095e586bf52600d9860e1ad620459047e008f2b384c3f9e51f840986f2bc5b3a131096e2ab0f1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}