{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x092b76752b916edf59b28f99facbe63eb4f19d0f64a00671d67432286a0da7d4",
    "signature": "0x28f8e448066bad51702687ac56dd4b560971611f957aef0c05549af249bae20b7f8c3bd5802ca8146840c660326628195583c7b3a49fa16e3fcd626a019929a61c",
    "signer": "0x2b012Ef37cb9315271f0AC801DBbec07c0D4578d",
    "userId": "506789556"
  }
}