{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10373",
    "entityType": "User",
    "nonce": "0x98ff15c64c64432ecb43cac5566e63ab616db31e558a1e92f3762d753d0e52c3",
    "signature": "0x317b457b81a648b6c7d6cfbe258d0dad2537db542e6323ce1311598776d05b0740811f78f08f98a0ed6bff5dd6cebe5756194598100d3e12c63c35800210f8a91c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}