{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "284386003",
    "entityType": "User",
    "nonce": "0x2f3dd980f5671d02be83239ac9a5f3ec1f449bb44c5400f0bb3675f39be82125",
    "signature": "0xe84c48abdacb568ffd377d6831b14ae741221e83534d89a6a47dba27697cbd6e2482002cf59b31473b504d3714c761176dd39230a693945d05a5abbe468b21461b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}