{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127265",
    "entityType": "User",
    "nonce": "0xc73bfc8b0c6b33d4e9a55ba6ab052274aa8dc6001aecb2e380d6bc2401f479af",
    "signature": "0x068668d38779268bad5e3c6de01e3dc97a8af279eefdfa1b3b82c8b11b8f3dbc1020b2e2f783ccdfc69f0e003c9c092e9cc6ce057ef7f3f13450b8495f3886ba1c",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}