{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xaa1432421f367114c24d5c246bfd0123297dc1e9b2398ffc223ed5850ff80c48",
    "signature": "0xa4b0e297cbc8c49d8b97f003605ec9a4120186e10767884accd0a98ce570c0e5189849a5133c8daeee50ebf7142e343e52a1a75fbe34f303501ea112be96e75e1b",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}