{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x26f9b99f30da83996be0cd844ee9170c8dc799069e008752ac24a301b968b14d",
    "signature": "0xe95ff33fc2ef34af472b1bd90dc9c7685b282d4fb83f5ea3d0c1c2416f85decf1a80ce2d79704f993a438356ace8e436441b1b0082c2f25f3bae0c713ed8ed411c",
    "signer": "0xc17b67c46bA95f4d24D8289d5884D0519a9e0847",
    "userId": "572838246"
  }
}