{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x738122ecfcd16cf548d63cef26ff49e2256fd489d7f89cc0eecacb66e5b750e6",
    "signature": "0xc0f7d585720ba71b5552a1f6f5ab27a4cf869076b48b075250b03c48348151200ae3c77aeae67c26a05e0102272bcfd8f380cbb1db29bbe0297b1dda7277a0a61c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}