{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "274758",
    "entityType": "User",
    "nonce": "0x1c9477ae0972e5db081ff2145d0a6452f78e1efca195f5b969d17ec78acabcb2",
    "signature": "0xdb81a9ff8275ab1e573103b95767e8a5dd35ea5b4fb5e8daafa1712da038bb866f7b79e26d5b5ee0b94b5643da22a9bda7006765d9528854fccf8e17e663e1721b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}