{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17998",
    "entityType": "User",
    "nonce": "0x0e8b70fc95eb8c39a1922635206f84d85e82e285ebd2bf249c973a5d8c40367b",
    "signature": "0x59058c64f16923e43b80942a4216a93ed4c38d4f4b9b36d6f6eef1638372b88d3ceece30d02cc8bdc9cf5b5aed0a94848a1c363a2d6a091529966ce7fdafc8751c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}