{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x8f41617bf00b73eec86a7d851ed1db6ba660b4a6c5aeae6a61a0eb797fb8e4e3",
    "signature": "0xfb493f754ce83b03daff620d98e78375e9a4b9b1f1c8337b3feae29d96c8b1884f37e1904580559858f124fafe33143cb7a16d24118a2596e50887135533b8f51b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}