{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951546743",
    "entityType": "User",
    "nonce": "0x25f7d2780b50fadd5d5051fe35d67b1b934d86fddca7edf4c5edce69cd9adc35",
    "signature": "0x62670e48db4e17549ce23acfab1596b235ae78c316303d70ce7548ed081472ba31afe079569639d97c7905c6efbaf2dedd6a84d78179d8791e97d988753f158d1c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}