{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "323124",
    "entityType": "User",
    "nonce": "0x3002a88a7911eec3905b8d6524cc26d37a2ab16749263c3b5b6bebadf944771b",
    "signature": "0xb42858bba5b532698d04f0eb3518fca35546289dee803fe7070c74ecce3ce1383f21f6dbabe5ede9e6b3bdee46cd1fdeba87185ddf22071ca417b91c0e3c4cdf1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}