{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x1742ff62277e6560c58d7bc60be877b3a0ae815ffc4fef7193806579916aaa51",
    "signature": "0x98a3207bbf4b33b318b81977aea11b504cbc32f55532c313dad4deb11ea55a183d1856a72dab9f2f569742faade3b76b2ec05c2284b905360889674790ec16531c",
    "signer": "0x9c1cD07a26673bf233aD87DFb181393FC715937d",
    "userId": "645221661"
  }
}