{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1685453",
    "entityType": "User",
    "nonce": "0x9524328218480a4c55bdaf25f23e3bd123ed9d2a8ecaa2e2109e1ce38e290308",
    "signature": "0xf1a323c15020507e6e12eaf11be7f61d79826298cc68878bfb3716d8d007912d33e6192d7054e2ba9b01c756946fd06d20bfb646c5e7c8e670a70ec0923a0ef31b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}