{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x7aaef77a1d35ee1fcde3d391e7412e89f46904b1967fb327cf83078902a91f7e",
    "signature": "0x911936f4eb5304612e4d37b93185d37120ab58be917e83949640dde4169116636ade8ca82fcfcf01f3edc012444768ef68e2199164546fe16b913c9ac4ece21b1c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}