{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "121458",
    "entityType": "User",
    "nonce": "0x05c002279c7580df1493fe06f9aa3e331cdc83bf1306ae55994c68a351b1e368",
    "signature": "0x4dae18e24e91f3230ec012184c133b026ba39b05be7f957ed8d8195de220e9e960faf81b5079b23bc76dd6e3aea88f846098ba8b4340b1eb343d05512f8832b31c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}