{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329",
    "entityType": "User",
    "nonce": "0xef86aac2d4a9f3f4c3921130b820fd5e38c66bae997784edbd2b385b17df070c",
    "signature": "0x6b7a537f4d18f5823f49611bc966d29cda49c850f747118085bf85b6cccba96f3ec9fb830f1460500454bb2fd1f72a49f9c08c2b2d54fd9aa7bc3c6defa903ae1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}