{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x76c71f8ea54f3474e0b25d7fa3e6b05a90ce8a7c2608bd3ab728edc5554947eb",
    "signature": "0xca08b60df9c0a2eecd7f1b5bc53dcadbe6e184ca67abe8d8ebd56a0068cb6dc727e5d01652e8828145b4fb9e035491f273789365656d07c290839785d6433f2e1b",
    "signer": "0xDA488c3482B9F9C93147473A8AbFBd053d7cf465",
    "userId": "313755"
  }
}