{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1807579",
    "entityType": "User",
    "nonce": "0x4fa3aea8781c8927d86d9f7cba45002c4d90f3f0853678bd909af834de09fcfb",
    "signature": "0x014475c12640cfbff1e87bf28570021ad0e811316aebb6aed7a90933291826e2289719e998107c82128c96f9cf8ad74c79274003f5bca07117438ba3ebb2f9681b",
    "signer": "0x3Ec98fFA47eF7773803b73964753B99Ae2D50f41",
    "userId": "545926315"
  }
}