{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "168958",
    "entityType": "User",
    "nonce": "0x03c7708313b15ac2f3b00b9c8468a72db72d73dbe826ad1b791c737e3a76e125",
    "signature": "0xbcf17f8e1b1f51667064379ec3ac808dacd638720b90353ad4d1aa96b071e3b15081ea682bba6f938534e51000b55a904ba4b8817a4d991b6898d50a5885ac731b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}