{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "860626647",
    "entityType": "User",
    "nonce": "0x077c7eaff942f082af5ca421b3e58580aaa3158c636c2bb94cfd978b6ba295c1",
    "signature": "0x6af8826299cc8ac76a53c32fd2f45d6773431d31d57963ac24c1e45d5144e9853c8f2d5f36f74d740dda530c8da7be3abe7799e83611ecc116abc83694891b921c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}