{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120254",
    "entityType": "User",
    "nonce": "0xb23171a406004bf186b9731dbdf80f23767bea48ef60bc1131cb00ad43f6df91",
    "signature": "0xa5d7abe676365f9aa5cc11aef37e82765973be342b38b66817eabf2b7bd913f0780e534f39ec08810f7d0014e183c7d412bfef439a1b3c1cf06a512696aee1071b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}