{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190351",
    "entityType": "User",
    "nonce": "0xf1ee2faf411e0dc5c50eaeefa925e7daff116da6f387d39887078db8a28dfb40",
    "signature": "0x7d76cf579b49910948e643de2b68f318503de854775b8589a136bf2fdbd8d1b40ece651a4ecba1effff2bb2e4f17a8dba939bddc8b79c53c86a97f76d3e2ec241b",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}