{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943059651",
    "entityType": "User",
    "nonce": "0x7ceed88040c1c62573ae01748ea7ade5cd4970a5a1e48bf8f9f4fb26c0fe5b14",
    "signature": "0x32c2d8ed2a1a6f0755bc41c7813d063cd7f10402128ae9488e556c0add382f7b1ee36d02e18ac26f5dd064a94af9b4a091837c50f14240b3b826c8bd5347c0801c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}