{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235959",
    "entityType": "User",
    "nonce": "0x1a6ec2e5a03ffcc3952dccc50b42dd183062ffd99c8ba21050391cc00ffde9f1",
    "signature": "0xa3dfe58c53e9bd73a68057efabd0d5e337bd3663ccea32aa5e6838a5d70a48ec422263fb712403d28b4a58cba781f3745fae716dc5a471507f3b1323cb7dfe961c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}