{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17246",
    "entityType": "User",
    "nonce": "0x712bd7da4b0e8cbfef5d2ac863ee0ed30cccb40331b309b657550b67f50ac084",
    "signature": "0x32e8984a07d80045168c2e44ceff59a1ba4455eb33f3e6230e1179d28de7f1847e9762673bfce8fb28a1523bb2440b906846dbd87fbbed654e61d45c799848771b",
    "signer": "0xe74EA561439c78F34f4928Eb44ee8Bc5d67c3d45",
    "userId": "781858883"
  }
}