{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136151",
    "entityType": "User",
    "nonce": "0x35975ead94e5ed28bd89f7be07fadfe10ced71367c506c28d8be4eba3fbfca85",
    "signature": "0xa00d888321499277365ec1ac4c390303bfaaf1cd27b9d51406c8ca5510cbd35605fae7c2bf4c7d5ceed8e0df08fdea994fc6819bdeaa1c52d6ce67e64391487d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}