{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "306115",
    "entityType": "User",
    "nonce": "0x90de34e4d12d252d62125237af34eba3124703a9cb21ebff157afe77adfb86e4",
    "signature": "0x313bce9e0ce4f0f2a0fc0f98a5b190fcb5931b8fd843a6f26a39d59dd1a056415ba9ad6a56c94114313753f83d33b5343f7f7858572210b15f01fe0a273d15721c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}