{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190351",
    "entityType": "User",
    "nonce": "0x2ef339d5f3031e806f3295667ef814c0b9b1d28f5f507f3b40c5891dc20bba3d",
    "signature": "0x9fb75a85f0656ad1d9b3d585262c90f57f995dbcf478849c81d00ac7a34660300ed4393c84aa5be3024209f795b59bec94bc50a5c03cbd0c26f34dae2bf014ea1b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}