{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0xdb114f14741c407ffce2aa3fd86ba922c5e795dc41d55cec4f99d499aab7f93b",
    "signature": "0x0e0d9fa0e9f98e048534c5329e336185f823926a467a38d3ed9777c0f39111bc41a3003f3d3e60b6755f20fdd502dc62b00e3779bb825270002796ff826d6a9c1c",
    "signer": "0xc28F39d473d5C4cacc612630A8798a119D1Bb506",
    "userId": "901788935"
  }
}