{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67912",
    "entityType": "User",
    "nonce": "0xff782c0b484d8e841dfa66aa53be2d87f8eb047d82eea5f13b15dec0d87ee44d",
    "signature": "0x435f64eed92d06a392f5fd298bf75792a64e09cb463e46a5cd03bdafdbe5a56d23ca4240e57c3a61813fa732f81e7e7a9e3197492e539ecf7205cd968eb846521c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}