{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141285",
    "entityType": "User",
    "nonce": "0x63665fa7e72d7fc3c3160ae9ddc873cc22c7862be38bdc29d104624e20eea9ad",
    "signature": "0x2593c1edb8ede84d73c239678a473b7bb0c68988f61932149b1a622b67fa6d2c52fad9b2a4e717b90f045ab48c83585b4f9ff0e454a1bd132b97193c400fde111b",
    "signer": "0xfe6022590e48C8eA51d706EbF4eAe799214A737c",
    "userId": "900610030"
  }
}