{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf7c3a7ceda08367dd382047c4567c4eeee4aaf0b19fbcc11d820137a11aee310",
    "signature": "0x051f2d17b0f28dd09194b3a37e26961464ea2b6e1a04487fe07f14018fb74835134bd2874c525b9b4a382bb8af8176a5e35acfa879faded05769a9e56abb4af51b",
    "signer": "0x0DEd7E0f2BB86ee7Aa07A6c8DdBB8c794786a29C",
    "userId": "473938627"
  }
}