{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcdfb830d0e4061c06d68ec8000bf46430e7c61646aba5be9e8092b0225ad543d",
    "signature": "0xc152cbaaf08c8c226103a4f9606416bb7d0e4c94d68c8be48f5aa45165d6c13f5e4fc95194537dde85a86933e47c961bc74a6280d9ddb23625bce075552bc9791c",
    "signer": "0xcfe6175ADfd81Ca0fAd92c7761759609Bb1Ed55A",
    "userId": "469407993"
  }
}