{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xf4528a8e58994ae68d01c3c01cb96dcbb77132a8449f8c89a22f9fd4e457e49d",
    "signature": "0x652e6cf9930b3b94ef68f943622930daae873f2839b7d76039a9e6a9b2503afe7b3cdb868d907b2da51137dbcab84708cd8b6e4cf640c839faf4331af72043a21b",
    "signer": "0x05879c5e12AD06542dCf5d3192dDDeaa2faa3754",
    "userId": "445555"
  }
}