{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "463878785",
    "entityType": "User",
    "nonce": "0x3bb9969b58de086476cbfbc3c92154f1a5733f38a2650b4acb504dfd03135922",
    "signature": "0x26123f30194401dbd6dd342207a5e8296f28f28a4288348306cdf01c4fa7afa20860e0d9d77d8fe032b867d88b3a40d5ba43e40b625799c8be4d20ef7a2720831c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}