{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "638852655",
    "entityType": "User",
    "nonce": "0xaf35c69bed2bd15a123cc05580d0235c0f1b4a0b513383e5e1a9082201e722a8",
    "signature": "0x6e6b5825d2ce7b92cbe655de5a8da0607c8c517d6dc108d0974ba6f6c79e4dac29284fff6a5d117c8004edbb168b19f9b79983901da5d761986edd4e990351ad1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}