{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0xbd38481bbc7fd7c9bc90e730581dc04308687cf0005f4dc4bc6ce6c6624cca74",
    "signature": "0xf8c9839397d8110518443ce5587c809396174664e7137f592f3bad32d05b81dd1140cce028714d3780abcaca1aa293a2a52f9b2f704ee71bafe05dd5f2fc2a4d1c",
    "signer": "0xE534A1ad2e8E1f616866185D1efDf463B0eD38b4",
    "userId": "353625"
  }
}