{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311257477",
    "entityType": "User",
    "nonce": "0xdd669c9f185d1c908fb491881c3993eacda244757fff7d0fb32eaac1527494de",
    "signature": "0x6bd9765c82a113907f1ba3d795a12808fda304c75f8be31b03c21130daa5365e019879b1a1624bc5b5707385f0859d9f7f065a543865eb18a85aa93619669eef1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}