{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55546",
    "entityType": "User",
    "nonce": "0x6147a61f171df3830bc21c07b81398cb9f2a825c4c54dbeee5f1bf10b695f133",
    "signature": "0x6912c6b6110d71305e58b682b279c8e88d32d40cda91e5e67c9622a12ddec2661e03d7e50b00d5cfefc8cd8599457a644e26062a8082df1f767a405a72d032fb1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}