{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x74dcfb90095b1ed1278303204e00657ddbd811e2d52751c8089189c3cbdba34c",
    "signature": "0xe5e6ca5f6e83ed3ae5fdc9fdab536f739af7c553fffc5c1f354238c8e458fba943dc0857a610a884f0bc8e0ae6e8e7ced012be09da0ccda96645e1e1d67790ee1c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}