{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61893",
    "entityType": "User",
    "nonce": "0xd33248210d06b1f0cb295715b9ca093014eeba7763e3856bb085b98a8a3fd705",
    "signature": "0xbf255943a52349d3f418e0715b2360c8569c9ea42fbeb38a3aca0bef6cc4e6773beef8185ea77f2c1e7e463def202068407b09f12ea78c408e24eee5d296fec61c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}