{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "680566462",
    "entityType": "User",
    "nonce": "0x6f91e753955dada9f3470dcfabd69c1e05f5c57026c61cea26e07b6adf26d58d",
    "signature": "0x9bd1440067ebf1511f4b3b8f81b31c4c41c59532f4a183094b40b5b6aaf295ff4d68f8341f9fdcae481b0f83878b24cfd759522f4fb0a170d14cd10f378bc6821c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}