{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "422727299",
    "entityType": "User",
    "nonce": "0xa8dd09e36941c7ffcb9427d031b450d3d5a8f24768892bc2c197b98b1905266c",
    "signature": "0x027b2be5955051b41ba878ec3f9290340f18901da5b4037eca3892e952ddbc687fc2a2fc0fb5bae48397c478a74ab83a26cc16eb2803d86390cfb1052796c8601b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}