{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73594244",
    "entityType": "User",
    "nonce": "0xa8d6e27b2b317ed34e231c17e23bbb08c888cd60fc94a3819fc5eda965719766",
    "signature": "0x0577add1ab10001d27e27b7bdad181d67a7c227986b6f2ed5004047753b9ea5434e68c396f8d363808bfd92a36d9e976aa002d0eecdd3e19e8c190387d08d2cd1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}