{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72606",
    "entityType": "User",
    "nonce": "0x8135292754d45eb4cee115daa9d9c6479fb1b5f380eae9c4419b976910f6d285",
    "signature": "0xba334cccf51ceca92ce1fe757878e0d9edae3115546faeac256c6c3e772a57555f5f88fd2b789d13553601f324ea12cd784946851b5023dcb5ea26e6ea77abc41b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}