{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "315708",
    "entityType": "User",
    "nonce": "0x2647c2851d3a44cb63b2190b638ab2d8f21334a4f9108c223c4c287513df2127",
    "signature": "0x3b167a0099094a2ded1709df73c9ec5290f7e3deb19896828587e7368d8c1cfe0e94381e743ea1ed996decc11fdfdfb7933a7798ee16faddf953c30507a840121b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}