{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "382145",
    "entityType": "User",
    "nonce": "0x8189a9347b1c840415ff29d1ada40f577d12e8925deda7297aa0782c256d917c",
    "signature": "0x92581975249060e51b191f9483bf2570eea95e72635a180053f0e1119f922d4830576a3652cd9f5a082666ea79942a527026b62d313743ea032d4024ab83c6b41c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}