{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2989",
    "entityType": "User",
    "nonce": "0x6d3ece0572fd61055117d7b247784977e82c5e170b0de52917ebad22ef4b5533",
    "signature": "0x3dda54e75295f66d12adb8612857e0fe95e821ac28ec3375c3a5676ca58a474a13e3a489e7a2eb855f387d8c4959f508745a9cfdb7e326b28961b4bd419863721b",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}