{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x11494435456752307ca0889c8e1069489026e1012193ac6a3423ac39eba8d637",
    "signature": "0xd80e6f8248b4260bdb43a15087a5bf3d61b70876940670d66c4421146a124eaa0664276356b633cdf90545a3a55a3fabffaa84bb91db72bc4b6885f303fbfcee1b",
    "signer": "0x025eC7902537A31aff29fFCC91267044DbE7Ca6b",
    "userId": "598837753"
  }
}