{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x04c97e80ac3e37deeaff2f75b506f48127ed6c1e180fc88912e859b6077141e5",
    "signature": "0x92c2572822fec7e7b58d423dd9c0ed022752d29a6041290b6da17da0bf4ed49d2765c8d9f344d2b7c571b80c279d628910c4e23670c69dbe13a40843069e767d1c",
    "signer": "0xF28339aFd76ee0f087e9C7B98e09086558b2a165",
    "userId": "334589832"
  }
}