{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x6bb4833312c5c94534be15966577ea451c9d9f83cc178215be6ed3bdb2e2a77c",
    "signature": "0x8efbf72e7a55de6b5546ac2c7c6e17762c2150a85561f10d62093178e94ce14d63ffbdb79658ecc34da8a555a2c7b38182b3cea0574f419a95d6e591f7399ce41b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}