{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119478",
    "entityType": "User",
    "nonce": "0x016ca145e72dd7d0718ba4516924195a5f91d71d12ca65ac7cb1cfb4e37d45a1",
    "signature": "0x1611597819e1ebbe3371da04827fceb49696ecc2ad786fa6daed96cf36f2089d59cc5125ac973534db5186fa2a336de99030619980830dbf35ae63d412b0d9ce1b",
    "signer": "0x009aa7b49eAF9a76b4b0e1D3C0ef92ba4e8ECEa4",
    "userId": "350390967"
  }
}