{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205346",
    "entityType": "User",
    "nonce": "0x704a83c67ecf259b45cb72f750e2bca67c305d105ae8f0597f5e6b5d7ae52773",
    "signature": "0xea4db558e61525664b8d894adc2cb149fec39fc04f107d8f4f5565d7c6a01bc950aedb693e124d631695741603758e256197ba709b8005f9512162d0cf159fb11b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}