{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0xca399b5266aa23fbc3f0030b9619431aed1265aeafd74c15420bb18ab34d7c21",
    "signature": "0x67e06486edb1b7e895e9287b9282923b0e3b00f8e7db81ef73874138325e3ea973276f420c047c7516d40298b715b2b016a10f768da06801dd931dd6416308591b",
    "signer": "0xA61Ec758eD62E71769712843066E0D2AF592b23d",
    "userId": "556255982"
  }
}