{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117504",
    "entityType": "User",
    "nonce": "0xec96e687ec2282fc9901b184ec2cae76b3c9f101137cb03c65308615ae63a4f3",
    "signature": "0xe523351ac4d0715e9ce14fffa6f7d9c8afca76ca6c51e74b627daaefe31e9355382e3db427d9dc141589e7faa0628c252e84aaeaefc2dee2473b2c5b4154c4901c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}