{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x7e2fa0c4d8bc57c7763b1e8a148efcba8a103bb286a634790fd86bef9ef5dafd",
    "signature": "0xe0fe7f8b67d367ce958d9a5ad6cd92c9ca63d7cd384f7f443bc874f60a3108f216e827864b2f9b374bfd4b574b425fddc126d43b4032d36d88c8a207fef491691b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}