{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x25f29875868fc2b353d173826483e55b688490365173eaf72b1c9b08f0993c76",
    "signature": "0xe7cfa921b055d8d8fd4c3de3bc41cb48661460fe6f6d61c4671d9de2852236177a43375056efb35949b855f5805e0cfad00c888670627c1a066bb753e5f73bc91c",
    "signer": "0x24e44d65d26D3E06A7bA7796b14cA60878FE29B0",
    "userId": "697673330"
  }
}