{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "288058",
    "entityType": "User",
    "nonce": "0xb22367177347c10aeeeac09b915d850e57ba581cbf428cdf33ee53e7bad9a5a3",
    "signature": "0x8f06de979741ec845d9abf7c11c29cb5ed89d00470f7931b95112552ded0f18c3a8002a7593b4c0a44824e4c042e4ec61bea33ec9979741b234c004024c6316e1b",
    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}