{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925208878",
    "entityType": "User",
    "nonce": "0x628acb325ba89ddcc32dc947319a3c9c8d8b0ab6484072cd6565549e99ee83b6",
    "signature": "0x5e0f2a0c1afc020e559be2838ad5d024afa0c69ce88aebefe691aeb1ad4b56815afd8ebe311e09fc613ca89fd2318d3e9a257e0756933001284c9a5419823e1d1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}