{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "860875289",
    "entityType": "User",
    "nonce": "0xd4bbdd9d95f729339be25e0e7d0160fbacefa8df17a304fdb66863e5e4b17776",
    "signature": "0x4d3760d037638e386e0fdccbb23adf1dd77f21ee15c986d96062be20fd3ce4ee1f9207e0e3e8f63b81ff20cbfb3c9277fdb3ef44339f0fa87238087eada16d361b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}