{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "286349",
    "entityType": "User",
    "nonce": "0xa60fc784ae25d2621880251df7980e43fc23210fa6081ab5d4099575cb8db27c",
    "signature": "0x63e7cca2b3ed6c23a0d7b7d64f7cf2db4067685eb54475e4110c8955de0022db7d4ab5c5e41e91068593f1e6e02be023069a74dcbd80ada7a8867df8570269e71c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}