{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53770",
    "entityType": "User",
    "nonce": "0x14e6f33edf7ea9fe60a24c27b6f8c3dfe4932ceb0ec9cdff4729415fcb244087",
    "signature": "0xd956582b51f8dd984f8ca0c7845b315cb56bb5b22977008fc481af14f4ea168d4fe5aa37eb562344989982b83900da75cc33edb9354a0615f1f2bd4da49f2a8b1b",
    "signer": "0xC2A9E3b7F06e60ef97DFB73522582B613021cf7A",
    "userId": "265825696"
  }
}