{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x47b7f6efc8082f15fa299d845ecce8f9d91e82e57519e68ef3bb71c1fe19d55c",
    "signature": "0x93bcb3fb38ce8063a6fc279d103d3fbe7f2947b78730c1f267ee2bfbfb6a10d942ffb4cfef00bedbdba7008cae09863b247f096128a79e1f64855a9ebfef06c31c",
    "signer": "0xe2Ce42f7ACc16Bd2Eb0753236b6216a6a38bBfd1",
    "userId": "38921479"
  }
}