{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936815292",
    "entityType": "User",
    "nonce": "0xaf10e72b2aebde81d0c2cec5bbde1d2583e58285a49f8d1f20f4c5023479039c",
    "signature": "0xaa0246e8db5b922e4fab5c7edb56576a20699ae7269050549957818c63be48591ddc2c9f25f76e1d994216f4557e26774c2ff18136c1598c9499c1b2a4d48d5a1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}