{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40202",
    "entityType": "User",
    "nonce": "0x50a154cb4568b120a178948376e72a930a5b37b2ae02023840ee14899f582e3f",
    "signature": "0xab56f06accda65a544a069bc1f6bc730f74c5d383def2f3a1e76b96adf94bf5e602eafa82cf8ec0f081d8e4a9f34fa284f0da6814c682c51042094904d5c46121c",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}