{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202596585",
    "entityType": "User",
    "nonce": "0x320f02546faf3c574209cbaf16bee57608b2ede73a5b01b485d9def2ccf2af56",
    "signature": "0xd7c6039d5504ba6b4357eeb16df6a84dea7f5c34e2786a4d3289a3893696cb13650005f44eee0435535f7f5cf83395466e7ca153250500bdba77d364d31f41ac1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}