{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8223",
    "entityType": "User",
    "nonce": "0x4eed940df376f13fb614536766a75119fd6155c89fab569af5b6791d438cd179",
    "signature": "0x275a14bb0aaf828fd6eaed41f7b091402f49da1dba515f403656fae89cde5b9706b20a381227fcb79db871cbfb1deb85695bf6635a4d9e7012d1988f6f2d423a1c",
    "signer": "0x3EFFF4df817177c0A8370597a286FB16Cd1DDd9E",
    "userId": "688850395"
  }
}