{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8998",
    "entityType": "User",
    "nonce": "0x34791afc48352746bb481c157ea7c4b58a3c40433998167b58ea3e018ccc8967",
    "signature": "0x34a00b0e4933f16c1f1c5de36a108b3217a91689285ae6ae6657913a156ff8a618092537896e8132b553d3d3ed1afc25e8ce2d98d1749271138aea8cdb708a5a1c",
    "signer": "0xEc483842272Dea925128F7ea8Bb85F671f49bBAB",
    "userId": "212561617"
  }
}