{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x371f149003f4964af2af89c9fe82aa15167eabc1548ae22816a7fb94552528b0",
    "signature": "0xa04a97b25924839f0a8114fcc85de275c75e79bae4bcfe109e3f2bcb3959b9dd7bcc4f5edc9644650e5eba505cc291371210e859f4d0c359227e9528eb75c3d81b",
    "signer": "0xd8100A04A94C92b3Ca09e15b23da35384811e4E9",
    "userId": "856033317"
  }
}