{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "31722",
    "entityType": "User",
    "nonce": "0x924da598ab465409b7d4b91410945ee3ea7b94f22dd01477d608bd349755e62e",
    "signature": "0xfd65328fd2b48bcc3301526b0f495662f1822ac448ddcdd686d496fefdf789c43d7f62e30e2182a63d47d9b29a699907729efbe40c937a62b20440ddef97bbf61b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}