{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "93456",
    "entityType": "User",
    "nonce": "0x13f79db4de42bb57fa686e602d431d4541c825a3bdad65d63ca893c8ac758a5b",
    "signature": "0x9cbe2b27219310c00d746bcd9fd96cedb7df8572221a7865b95a3ec5d744a69b18d40146d983ed01c887fad4f403c13b44bc4502fcd4e8e32a8cadd3d963624d1c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}