{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44823526",
    "entityType": "User",
    "nonce": "0xeb4760f7bab99457defea32a7a20d81c117d1a4d78d87d14ccf8ee6435d166d4",
    "signature": "0xb931183f54e2e4e32b1d1f20fd0be368123bf90bcc95f3976cf2677ffcf17d654ad35035c6e7a383741a0823378eaed80b1ea3ffd9411d8fa3d570f8be28a7471b",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}