{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "293",
    "entityType": "User",
    "nonce": "0x9d66a22f4f6976b140e68b92e8c4757a5b06ab79bdaed44da22def9b6feebbb1",
    "signature": "0x72fabccfd37694389efaa3855775c1171d055f1b28cf73ab681a78c73cbd4b8713fc54836d39d53f240dbed36a54ab08baedcd48057efbacf1de26f377f234b41c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}