{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x432f614bcee1a383a1cd30e66e63d22b91a291937399a1f317c83dfe3de39f1a",
    "signature": "0x4586f442a8c5176f5b2cb8f293f1094fd107fa65c021104bfe6c4e2759d720d347966bef91c3dc78c67302d0d7d5cafd6d1cf338704d75391ebe03a5eb2865661c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}