{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60790",
    "entityType": "User",
    "nonce": "0x0495181a34657a1c0d5f91d66d69a41a8aedf131624dffdb72eff2965cdd2f8b",
    "signature": "0x997fdf9adb39d62d9fbb656da7cf30c6cee8eca03050c57d970ec5bb742b87fe4d335aae283b415ff4b6276fc8029c709c397ff9485cdded6603f30c8343d24e1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}