{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2713",
    "entityType": "User",
    "nonce": "0x776aa75f1695218525a6879fe5c683583b4b4aea61223f8945eaa0672e243eba",
    "signature": "0x4e08acc804f570956010780e9d7d5ec099924a685fb3f47b13efa72682b8ef807faf3440b7264f96c27549671fb9306480446f2c52bb807bf41aefd4ef76dd861b",
    "signer": "0x5aeCC1AFF37a5BA2FEE40cF4dd6357A86DE23D42",
    "userId": "950958674"
  }
}