{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x97e583124b793bf1e82be990bc7bdffd8ddf1ee80ff32582cd9d9d5385790860",
    "signature": "0xf4473d95305c61561deaa3c34f3a06ad09437539b4aa50c482008a2b5f2ed49322fa1b11f594bbd4c01e58eebc787ce968a772089131646774b1829e136cbdda1b",
    "signer": "0xAd3852b57Ce1853b5633884cCEb6bCF48AB644Be",
    "userId": "608902598"
  }
}