{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302595",
    "entityType": "User",
    "nonce": "0x16f5659bdf97f268ae4acad08d48634052b3948910e105fcf53cc546c608fd72",
    "signature": "0xb81f51e6ffa7d0d8dec16958c40f0f982b4feee6186bc93e548b908d50bf49f008b5f365b2ada769fad1d224bccbbb5f0dbe73fc9e66c05afda6d2249365f2291b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}