{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x45335452f4d9058687d71cf4d0fd10316b0f022c6306330ace2170b917a31511",
    "signature": "0xbeb20b4980280200c7249d43b62be0b7c9b7e01becc367e3f6540bbe0b84bf365179b34c99328012dad800cbf73119649d566e51adb2ead22ecba56c399b8ca01b",
    "signer": "0xf9594B6ce08e1A282B626aF7a5273228cEeeBE97",
    "userId": "791403923"
  }
}