{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67239",
    "entityType": "User",
    "nonce": "0x0b85acb6d0dec9f9ca494191b414cfaecaa42fc7ebe7af6a1f0f6f02036b2fcd",
    "signature": "0x9c75c1d4607458a81abfcb98830f3416e4ab29f78328a663f4a5e6d3ea29abb00ae4d17cf2c35d0f6718ef1d01778560b837abd273975efd907586001ee3a6dc1b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}