{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253360517",
    "entityType": "User",
    "nonce": "0x498ce89a48dd1629210a93118dd3b4054df5f07ce8f8fc9a23ccb9a65e0ac151",
    "signature": "0xa3160ea2dda6a1c97b4d6fb528839f688271c8310431df28149fd828edceff1a3371044ebdca617f3f52c451ad0410999313184eda1c57288b060fbca5f9d5d61c",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}