{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186415718",
    "entityType": "User",
    "nonce": "0x495252efff4f20b93b35c0a259de50d599c0e6c8810a770d1819ab8ebf6f9ead",
    "signature": "0x8ab0fccf74db34e5d61fe8f362bb078c2bcb2e90fca415fb129d37a116e260b7541631b5e98badb790a13fc267d8791b7f776e4f132fb7baaa498b107b9628661c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}