{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11153747",
    "entityType": "User",
    "nonce": "0xeff571a8e6fbb04ebe8fe1cd01c5853ddc15ded565757e3b73f4e87672d9fb38",
    "signature": "0x2a2e31c1aba71846641a14b7f5886d7679093bd8946aa18d1baed7c49f3b119f42b92502696b2b3d6c771e3935e11f721965623838c04cde315f3c2d9423b3551c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}