{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222255803",
    "entityType": "User",
    "nonce": "0x924e04b8151c4ffc189a5a72596f3bf0ef80b0ba4e80be04169f22f5b370bb4c",
    "signature": "0x4d65b1c90da2229470e39ccb6b581b79de7c1fc27b932d3284a003717d0f7cb720c11c14d329f0d51c36d7cb548845edcd21d4b857f9719e2596df9b3fb735c21b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}