{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5633",
    "entityType": "User",
    "nonce": "0x81e11230799b0c76bbc0b30ed2caec06e926fbe2160d42ecd9e3421b55aa2a00",
    "signature": "0x33e4fddc6f1b7705fe28c0f7caf2edb4c7e308815ecc7c339e4b4f1fc58c73b36dd0b69477a696d32d896e3e7985bc27c378f9de853fe557f740343fa304119b1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}