{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xec716ea05cc701ca7abe1e132132037955ef1dd945b600f54312d0d8881a2154",
    "signature": "0xd3e7e121f14fdbc847244c2c295a6eb756250073613e947d99f9c71a3d1d576b3e54a00839dbb32a0433dbb4b4458e53a6d94300daf8bdd4135f8af7906daef61c",
    "signer": "0xc8e80c7b4072A45f5fA5F496651d3b5eb3CE25a3",
    "userId": "338290194"
  }
}