{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7fc96976c2bf657cf006a93cd2908d68fce27e37106c941478a609c4df3354c2",
    "signature": "0xd85722793367c5d6555dd137f31c918a2835f4549355c18530cf6f224763fce7261220967e2f181c6dc8db229a9cd0aef76cf3ae03c3992bf3794e09deda74b91b",
    "signer": "0x1C967bd11e6d7a6d09e7071Aef32Eb0A5EdC43E9",
    "userId": "764322722"
  }
}