{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "572305760",
    "entityType": "User",
    "nonce": "0x1f17b929303c284b11876b6aab9830b76046583389406f069ef4b739488c05a4",
    "signature": "0x94d15c04b444c081adab29df145e50f5c4a16e01f2a7b3f4036288dca3f700c730c559a24f01f39a3773c5d6a9b99b9c89fe662dfa195eccc9125e95ca7561461c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}