{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175326",
    "entityType": "User",
    "nonce": "0xea17105862d96e57fab309bd89aa6caf9936d6d97271d410098597915a604280",
    "signature": "0x0a696010f7310b39f52b34255f7a198ecb7b252efb52fe6748bcb58fe9d0cad365d8e2e959518e89c552c650ea7a96c8262ff05393fa408504674a3459fbe8721c",
    "signer": "0x87FC3581f96D45b347BB39E15f25079950C5Cc27",
    "userId": "339826419"
  }
}