{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "914786391",
    "entityType": "User",
    "nonce": "0x6cf4a6c1a7b4fa429cdbbf629d56dd70d0cbd10e7bd62218c40b0628c4f2fb54",
    "signature": "0xd0d31c2f3847b0bbde145f0a3e3b229bae3ed0611dd0cec24e77e73ae1ed760e1a25990bff32f3466aa96bf473d5fe0003f1a2e7166d1f2594b1bc7016ebeb121c",
    "signer": "0x582624A637044A765770A1401561DDFE7a927459",
    "userId": "840700709"
  }
}