{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104188",
    "entityType": "User",
    "nonce": "0x694c875b7fe4e6202005511d01abfe9bdeadf3007ee9dddd34b5ffcd5fc3560a",
    "signature": "0x3705db4268204df34bf0015a68a539ba7305aac745b234e15a96e3a08f14ceb542b760170180f3ccfc743b1a5aefd0d15a18f753c71b72213e6dcf62f544ef261c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}