{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42906",
    "entityType": "User",
    "nonce": "0x70cda3e99de0c491f0d5ccca23ec5579c19f93594bd87f791b88623013e8e6e9",
    "signature": "0xa003c20cf65b0a80851d1b0d28a9763a47098fa5d84bb0dd22f8f65319e00875144413d52cc3a376668731c49e2f131c14b6657c0e8aead46923f4305ae0cb221b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}