{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0xd377ae06dd1c5db343efc211fb59b350f44cf59c15d1e2cc972488d757681f78",
    "signature": "0xb39553defa493c193e417d8cd9df76828c851187a68488ee20c038c100f0a5e33c1b6ab13d5ae6ca6408b39a54fddba6acebc6ce42c9313a3badcf6454f9744c1c",
    "signer": "0xE4c0c73a0c0CD7f65f1bE942f8127c8753aB89D9",
    "userId": "857284925"
  }
}