{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10831",
    "entityType": "User",
    "nonce": "0x02dfe490a758ad4e5b2e85373e7cbfa6d0f08713230b43e75ca238db5962bdc9",
    "signature": "0x86f5f19562f728fdba40f2b8de6f58c7f68cd9283d1a4d3c8a2ebf8bbc121e1937f749637492fc7a98f8be18056d0800517749b3641bd0eb0d9a5a3b1ad893e41c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}