{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x4962b7dc7ce538acb9f7d45283ed2ef94f192ca1ea7ef3de15fd58ed7f2c894d",
    "signature": "0x6a18987b713cb8a54e07a05b4c0880362b92583d4496d31e878fec30915ea1f47a5177321c8693461a95ad19ef5c21c8ec06185e8cfe34dddd632ae8d048fed61b",
    "signer": "0x34b6a5bE7cDd1C7dDBD640E42af6Cb8d3fF0E8DE",
    "userId": "923900750"
  }
}