{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0db84b04a91a427c5db11c4bbb26a7de671536bb17318357e92061d8c0a1d9bb",
    "signature": "0x3cef89aa42ffd0dae2fe3fcebdb7d26cfb37f76fbecdf0aa2a1b422f59a94a994c5d9d5b69e60ffc800b45f99761ed23d0a59f0a28f01551ece862f52d71a85d1c",
    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}