{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xedbd8e38eeb8cef8cfddcd8e06730f7f5a5fe7a026799ebceebbabfd8a598123",
    "signature": "0x4561f580990b9b16f62fdcf941438706a7f36a2bbad60614629813b1a27cf5914b8edded4881fd26a14e56240491dd6d76b2c03198dce19684d6d6b7d519567a1b",
    "signer": "0x665D2F5a62cB527e6A658063CF0633AE904D07F0",
    "userId": "908790659"
  }
}