{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x88778f839e90d254774659b81960fc2c4be706284a253aae25f3ce442618992b",
    "signature": "0x5fb0de42692a2247f032382c8a2f8bb4aa45738edbaddf9f51ed0392d5f5dbf84f8f95c790cbb9098fc02351c25eb1c0ec017018aee14d63905f49fe0fdda1cc1b",
    "signer": "0xd4172DACb313eb72C6Ee29bc685450908f4A1926",
    "userId": "407046354"
  }
}