{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165118696",
    "entityType": "User",
    "nonce": "0x471eca4de85728b81ec069b4d1f1f0691643bf70c0181dc28676a3d0a3c433fb",
    "signature": "0x140e1788db870e7889bbc1f15dc83649e61889c2019be3b63a57f5f76a65f64d293cb5f07c6c1c58733e004fa36f063effa39ede1e83c1dbdca757b08f0f82fd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}