{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x21d03ed7eee290bcb2cbd919353b98c9bcd420a1f3e615d71eba3d115067d185",
    "signature": "0x17b4ed6a4be839cae7761b4ea62cf9ca7dcf292085783a0bebfeab3a91b9b152448690a82e6a21ceb79f14aed55b64498cbec1c0991d6608cb34128a064718b81c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}