{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "484365174",
    "entityType": "User",
    "nonce": "0xadcfd5fe75a36ea51d8cc9fa68bbc56280f831f4eca3a44673303049ed80bb88",
    "signature": "0x0f508ff07320b19e0ccffeb05d8945d83451ca609ab3197c6056973bb396a6de6e3cd9e756319af773ea4fbe6c092eca263800cffa668ff585059b948b75bd361c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}