{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584186978",
    "entityType": "User",
    "nonce": "0x9ef5bb577912557a18b719926e2a6709b68565210241a70f895cee1b20f426bc",
    "signature": "0xd6319df38a710e9655156bb38d95a682c576d0f86fbfb4face290339bb60a6702d3647f11150fee089e23839fc525aa0697e2b932ecb122d02281d2b78c9bb671c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}