{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159460377",
    "entityType": "User",
    "nonce": "0x7912438d822026ddaee36a77d9018c6fc89c1305dfebb59549a9ef2d4040b58d",
    "signature": "0xb272a1a4fa33e2b8f3c6fd1491d9975fc8fb14ddfabda94ac2a61a93a1da243045fdeda6056be3036fe8a99e934692830f1cb88244f208c4f9a8e9e036c9eece1b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}