{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "725",
    "entityType": "User",
    "nonce": "0x47b5b418c5592da039d1ee2c2c538b6cc6f5f19ad3b6ca295bd7e412b30ca8c8",
    "signature": "0xa4e423b26006faa998f8919ee3547104b4a4cfdc30a089a50a8ea7fcbe07bcb3184428a38d6fc998fc9a0af7271bb0921d0d0ac48af002ddf7f4683b9eb5f5fb1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}