{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x43beaea79f6bc5e1d9e355912ce20c768ed72d3244e14a8df406a98ab23e3e18",
    "signature": "0x1eef2e6534361c267421c6cffd8f61ef70beb12185f2eea719de88c35dbceb0c519c1879a2905842341e4731c41396aacbd327c0941d76772c53b96da8087eee1c",
    "signer": "0x720537125Aa4b451266209E0d508D7576a4bAF94",
    "userId": "942771296"
  }
}