{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346007633",
    "entityType": "User",
    "nonce": "0x308a6bd67da0ee005b1ac6ca3b6873630001757cbe2748e38f0e84c0f926465a",
    "signature": "0x9573e196e90858b3873b11e53041a307fe8eb11de528f43cfd6a6c72fa37809e7c14927e9a320e69e49ceb1e037b3dc7cb8bb8fca5ae84d9fb060caadae0a90c1c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}