{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42607",
    "entityType": "User",
    "nonce": "0xff9b9772792b43557bf1bda003b06726843b565897933c4f08b8a5d4282b752e",
    "signature": "0x5b5d21a8852dd719e2f3df44121277f9d17f11378e1bda35927b17047f9741ef1c41696ea7a63a1e67567147d10e4b5d276228a4ad50ebf2cd2e74fe150fb49a1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}