{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0x77aeca3968fa33c23a4abed7506e7ceedce282e9301138fe85511820316137fd",
    "signature": "0xcbfe9026fdc6ee4e6b8cf017053940449be09b4c51a21a4709eb25a73ba99aa92392520ac2952523afdd8450a1d83f554c30865c2e97f2f4b5e0c2302f9cd2171b",
    "signer": "0xD71D6a61b797d5436c8d291306fd7DbCe6257Cc2",
    "userId": "117522"
  }
}