{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0x25d4049eb148f790b9214619b6160acb85c4f9a34e7f59a076e49d610796545a",
    "signature": "0x9eed5c6d94dc522c29b71dc8f09bb4da7eb04b33dbbdbddb30194f9c38f6d1a92a937f5b50c1e9ade6cccb210643d36124251f10dc9c3506cd7d53f5019e6d0b1c",
    "signer": "0x257c9f4A9563d6A4a2bF3be7Da1738e167fcF295",
    "userId": "301719964"
  }
}