{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "959246781",
    "entityType": "User",
    "nonce": "0x468fce664d9226de52155ce914d6c85b0966e62775b9e1b42fc7f9fd35ec1e2f",
    "signature": "0x0a7b1278a8a686c3f7767933c15776845fd55f9bda7d9a9ac51f0b0a248106890ec143e46bbc5e248f3dc465c81e5b3d115e1e292091ed8c3ba70b1f7395482b1c",
    "signer": "0xbd126Da914dEF5554d9f1d0c31544e8646419780",
    "userId": "81556"
  }
}