{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "804422713",
    "entityType": "User",
    "nonce": "0x1d7260cbf49d84ffd0d62eae19a868bc49e232209d3e4f4c4fd9f41b28888e7c",
    "signature": "0x8891b100f763ed4a287922f89b87284ac4df653e0466a12013d33c280820e1ca0eff545e0af7bc67b65fcc6c48f33b6dd62465301e7720239847204fbd9af2c41c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}