{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329177",
    "entityType": "User",
    "nonce": "0xc9d5d0e64d97456e87ca423bc8a4d07163b2a72a115789e4ffe45646a8d2402d",
    "signature": "0xc8d1bba1971fe3194b45ebce5bcd8a60edcf47a2ceadaeebe674f98d07dd759b142707b3751f93712d511734db7ba793166795654c1a6c72cdef3c8f49dca2df1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}