{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310796",
    "entityType": "User",
    "nonce": "0x48c550ef54890d7829275792368ed35c88abc39b1206dafd0d3d08ea4cdf07a0",
    "signature": "0xfabe515aa80cc91d7141be7f2c29e869ecc24a51f13805067bbe4d6e09a9efeb4811cc18828dc0744e739bcce3cbd20123105c541170134dd928d65aa4b924f71b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}