{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "533075876",
    "entityType": "User",
    "nonce": "0x6684a8e40a355f8031e566dcaea352abf854b78ea65dff96e64a666ba4f4eafd",
    "signature": "0xb6c2aa4f8f8331895944e2c3755847d9598346366471bdc1388bdf65f19308734cb90e99c542a67936fba70803f806b300f2f6853a6e44ffdaf015b8c393e5361b",
    "signer": "0x6bbE8Ba8276834DECf4c0d3460707A86b8e263b4",
    "userId": "248785756"
  }
}