{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x40cc956fb0ada0987ee61e1ad9819ec0cfb670fd23cd1e5eac4ccdb2beca0140",
    "signature": "0xc444258a2d3787b05f97c91c33182fc59b92e561f3122e503f7b59bbe8a88d7e59f467d032b58375298adfe7b649eacec174733de3ef14dd8ed0e1ae206593361c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}