{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129059",
    "entityType": "User",
    "nonce": "0x686b3a173701bee879918fca4ecf3d34007e1ef6809aa3a28f614473db69fa15",
    "signature": "0xc51ecd878b0d2f121c52c3e5012f6c9c1ccb6746f6f5ca5c9a8e9daf738fb474749b9e5b7df7be9c72c816be2d0bcd1c1fe4f8fc20f8ccb26c637b0d002f22501c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}