{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120374",
    "entityType": "User",
    "nonce": "0xe12bc37d0ea1a19d2bbee56047f319b3592eaa82b70edea7e72c4af00acef64a",
    "signature": "0x30909b11b67d5f72e88a9d0f79791458bd303557799c949b224307819ad9df05511e9bcff13d3a513fe012dcc1d6b0dd1393eb6bd7eec80ce3c4b4a45340cf6e1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}