{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf0b7c0a47770428fa02f3f4d373351f29a3c547f5416c38e863be9c087ceb0b3",
    "signature": "0x2cd7c8a7a8b939c4f5f94c868b1049c042a2b997c1171aa4e432f49beda1b80017509d43ae8d435d58498048642a3e835c35ec8efcd805de895177da7dac190d1c",
    "signer": "0x46Af715139332D14cdB187A1066c0317874766ab",
    "userId": "615978746"
  }
}