{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370091516",
    "entityType": "User",
    "nonce": "0x2db22a47f51744b92e4791a6a9126f8a7393ba08e1561e36230acb63ff510dcf",
    "signature": "0x25a22dccd9fa14c0c0a2e85507cc151f28421c41e8fc900f82f81e970c794c3b46fa78152c18c6c8602fbc3ee2b26a228a3138305dda952c695c46d4d1cec5ee1c",
    "signer": "0xa1F606584fdE30bB7d4BE2EbeC98A5F95E4559f4",
    "userId": "786922215"
  }
}