{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0x7632e0c9b97699a5f6a2f9095ef8eabe3ad474fa203c9b3c8a8b1833e47a9097",
    "signature": "0xf6a731211eaf2415fdf8cfc4c0659f1b8d25b1edfcd44819ff754f4c695f877d24fd4b96add56c0f62263d0db84977cfad68931ad141e07a638277df65693f521c",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}