{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x6e9cbc5aaa6b56d1ee66c52699239982c5e5085144db646c2b7441a9e5d3eae5",
    "signature": "0xedc9068d5b4323d4e621e9204efe0099133c812f32602318950ef3f34fa3476559b47a689238d2735c3fde86e9bb00d98a9e47a710e93073d7a3f8152b0a87ca1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}