{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357010",
    "entityType": "User",
    "nonce": "0x651d4a5bb0dca389d05d560f976b9a3479797ccb72fc0f5831b27ef15504cc60",
    "signature": "0xf992e8bb232a9fd6027a0f4d31fd8546acb4226956c646612a962a6e7ca296b67409604706ff0a3e34042c90665df22bacb2f989d477f08ab349e3a193c1da301b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}