{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17294",
    "entityType": "User",
    "nonce": "0xee4600f29ced97a3e637052c170fe506801cf19e869b1a8e02cae0ce7ccdb9ab",
    "signature": "0x16f9fbd0864761438ec84c81a66a8c9d85061fff74731e8e149c5547e58c6f4d52d08b390ceff7576b1ac1535b53eaca8f55d99cffddf825dc77081a29a81bcd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}