{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10449019",
    "entityType": "User",
    "nonce": "0x83a36beb1c49a7ee3d2337d73da2f983577927085a1ad9f1e9f52aef705a03f1",
    "signature": "0x79b56c07679eb7bf2de151e603dec1bee1378d19fb9da8db0582555f1c379ca071587d16217b6a504bd568564a2f3143d5885c0ff20117b08e16f58fea30e6261b",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}