{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x275b3cee460375545da1466f9a137631c598f0d17a9cb5a1ef34936e7f39444f",
    "signature": "0x9ff08ef0d72be4041f9ad8ec6445c95c3bfb1660981f4240f7489f04b3e3c8575a0fccd871cdfbacf12129e3bf201dcd0deba904cc15a3359b29ee5370ca69031b",
    "signer": "0xFCdf899365d2fD042C4A0A2DB1715E79DF054F23",
    "userId": "672425286"
  }
}