{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2018276",
    "entityType": "User",
    "nonce": "0xfb735ea16506d87242ff414dcbf14f90b93c2c9bc22877e9c9a036a022da6f2f",
    "signature": "0xb40c6c4892d76af186107117dfb8b2ec4c1a5b46ec0f66b8232fc20d9af77a2b6c9a05130acf503c7c03ad448367034e36d6eff7e37e41ebe1113e5b8f4d4ad51b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}