{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232406",
    "entityType": "User",
    "nonce": "0xb59b4180a3b12118ec2de2f76b330d55b540e03e511a46742e54066b364d6b4e",
    "signature": "0x9da88a415bdcf833748ba055ea3f0db8dedb7c76fde9226c3d762d0cbb0bd2eb41c01992cb9492b109742e448c12968f185ae352b8b8fc5a5e6bcd6745c951751b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}