{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "299265",
    "entityType": "User",
    "nonce": "0x222a3f4e31a12944d0918e3fd74d395d5149d4eda4cd5759290b810d3298bb27",
    "signature": "0x3c4d57a6c286c3f5ca5623026ce070b23e12bf359a3109c757f7abe833cc3c511c7d2fe562b93df1d90e290aa4ae64602bea945ba4f9df8a5fef763ed502db371c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}