{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xed5cc601c692bb7d873e5ba683876d276fa5258116ff74c4eada8e4da4abbed1",
    "signature": "0x14274fbd846f782ce798085494f0e6867a19c4fd171f60ab2120d5dc42c792131a4efdf4cd11d9169874f1b619ee66f8a707e4eeca983bea7b01276df7fb2e241b",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}