{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "634886384",
    "entityType": "User",
    "nonce": "0xcab803d9f9090ef7c54a0e657a4c3510c987365751b482c81b021b569ea70540",
    "signature": "0xa3e63d973e54e2ab08196998cc300aa34abf574fc55e2a80668e941cf1d0ea656b056a45372419cacd7d6c25a08b37c7a0b32296d82bd8783a1df1161fc250b81b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}