{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1894938",
    "entityType": "User",
    "nonce": "0xcc152a0c03eebb661e9ffef5580e4ddb912df1591ef4ecb4c39a333294d48974",
    "signature": "0x31f2773573f1932ef719b8b74dcd9d956ed987037709698f54b2f79c3d8bdbce588b78f7d4343825691dbbae08f900f7adb205fb40f1af36742c4d0aa4fe947b1b",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}