{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "290013",
    "entityType": "User",
    "nonce": "0xb03f166f4f024c895434e51ab95ef6b123c58b06e6f8cb07cf3abc155d6d1358",
    "signature": "0xed9d69886d0c5de764c11cb5b6fc8b6433a47dcb9cfa9aac3334b665d98af8fa16cb9640645281798bd88e0c8ddc552e460dfedf721ab1a384f5314cbafc198e1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}