{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xfb25e6a9c64f2f2742744f08466fd960c78bb00021670f76d847488e8787fb39",
    "signature": "0xe1e2e2260cffb11b06d9e9d6ac2dc01e8409f839ff7cb2f91d5163d41ef6b05953b085582cb569a496cb4ff04f9a087a37ac715f9ea8e258c1a755052dec95141c",
    "signer": "0x26C26aeE7DcE9D0D7E6674aC7fC760353a934626",
    "userId": "149884437"
  }
}