{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1326067",
    "entityType": "User",
    "nonce": "0x0e1be593e83ada6337fa9e3fee54b4f9ca1dd60d74bc7896117890a96a25504c",
    "signature": "0x4e531c46fbd1583164c27fdba7457b1428a3ef80e673be84fbb9829cbff8358b0ba19cf12b213bd5394d3805c40ff3c280eaa4f24b1b2d943a32ea51915a88701b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}