{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "860005850",
    "entityType": "User",
    "nonce": "0x268500c36798536af6f526daca7c3a57f1ec3c5c49323c761b6221efcd5d93a8",
    "signature": "0xb49b53cfe8acb9ad580ceaa32671c6c5a2cdd53e69aa097dd4c89404e34b98e83994ccf8975a3fdb2ff53533d991dc7575e9f1d5ff996a5e6e3eb2f9aef40a771c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}