{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15162",
    "entityType": "User",
    "nonce": "0x82cd34bc99ddb1dde51ed452542928512d65a31ce1ee33cbf6ea2ff2225ed7eb",
    "signature": "0x4ec97f7dcc17f89ea72821e276c9de157b228b031ba8f93344878bcf910bc3a62225f9ec2159d59b61dda29083dbd57a9dbc70c93a9aa413c625d50799376b7f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}