{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984215347",
    "entityType": "User",
    "nonce": "0x9f0a2e5751307577c13a5d37b0fb2a4e624779deb2ea711e12cf7e472547af94",
    "signature": "0xd93a1b47c088bd575bc75b8b5c7c3dcc02262f8859a40bd46c2b86ec8bddb64f067b3447094b7d6d441743314c0a8655d676539c8c90a576837d9eedb1eef9851c",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}