{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296466",
    "entityType": "User",
    "nonce": "0x433e2115314179120a969be939eadb03fcc919228eaf75b1e58dfcb64393b50f",
    "signature": "0x051ebcd3e00816ad13254857dd40dbd7911ae08e753bbc0af489a91d4ff62269521c0c36681cf70788368e9ec00c629e51cbd0091c84bfef4e5080b4f070967c1b",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}