{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460444559",
    "entityType": "User",
    "nonce": "0xa47048e33f321c7e1f018b5233f01000d3ac515558cbc2135041d7be27445ae0",
    "signature": "0x24339253fa490f978eea08a4eb60ec84d7128e59ad4beaa3d8c83799ded7b8267173fab80ea54eefa59c71d0be7884ac5e9c45c4b3f7309491a32c95512adea81b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}