{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1410033",
    "entityType": "User",
    "nonce": "0x62edb8f7692490c624608b7aa69f7538a6339484e225ec2a895dd3d46c21b16d",
    "signature": "0x9121c5cacc5ab4787bd45daa7d8f8b891ccc542e56e98a9dbbd3694ee6bf87f66ff0e672947dc8e312830c6d263e817906a6709454ded1f04ff0972c71ceb0611c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}