{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962626737",
    "entityType": "User",
    "nonce": "0xfb54f08b768fdc5bb157792ca86cfd4adab6fa43618a79e488e3494eaeb10683",
    "signature": "0x2e7114369541ea5120f68738e6caad9cbd8434e0653ddf74e02ae5b1ec0638531332b70b06bd85c95b83965d44574463d37825c6c96f13a9216a3b982476f4cc1c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}