{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5233",
    "entityType": "User",
    "nonce": "0xfa2f417306676f5459e71f7136fadec93417c896eb85139944a430b27f38622b",
    "signature": "0x7d71021d856d79a02198746bec0fd07a729e443dd2ada7809175acd47c41a2e32887aa52a52b40691e6d8a9545df4d5260e4af7899a1a032cbe170394050fb651b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}