{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x052355516e7bad4010f90d9e15a1c78c6c47f91d886e32f0c38ccde60e1509f7",
    "signature": "0xbd8dfe5f6a973c2fbfc6f2b7aa241e327668b40f8173529384ade109588a7e58619e1d8c360c78ee7f92181799ecc08e6538ae132987ffb59921e7621cb526371b",
    "signer": "0xd367754F1CE503c2D28B6793582BC23fD71eE997",
    "userId": "420647095"
  }
}