{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359585614",
    "entityType": "User",
    "nonce": "0x925ba07289527f6801741b217ed11a0ca906c776105027072dc86b256efc403f",
    "signature": "0xc9c26a0ca23dbc098b8c9ba6d618ef422625d84e430b895a9129a5baf165b54122f6d5bcf70d121b3870444e08496a85d883ef6329e1f01d985a3e4d2ab066501c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}