{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370770",
    "entityType": "User",
    "nonce": "0xc629b6489f0b5f98a0ebad266cc1dab75cc2cb7854318959de27d2fa202bdbca",
    "signature": "0x32d4a910a5876280bfaa5762be5f4a5b9973523471b96c0df6f90d3995ca17ba2b287f2a1555e5198ccabf8f3faf17a3e9c6a4897b91976cd744ce8e878687ef1b",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}