{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188199",
    "entityType": "User",
    "nonce": "0xbb6b0a0e3472495257a5031ebba58215de97a34ee903e4aee3a5496395c24cbf",
    "signature": "0x97f0d442c3bcbefdbb83b04faebc26eb36b1d85c5158fa87da887f21dac34e4a6b1591799030ca279e250e7cbda6033e553b7c0a834bfd9a19a43c37080b0a961b",
    "signer": "0x9698A898Ed554B831a7BB69972E1B05eCC560430",
    "userId": "967510490"
  }
}