{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x6cd41a6351edeacaa841f19aa920eafce97e9a9f2bb405737963451e9dd61363",
    "signature": "0x1f56eddac54c7fad71dec214939a721e5384cba4f49d94303b61b0813e31bf9f25f329e6712baf4f24a50dbe41f31108b30c298a842becf7cb411a4de9fb6f131c",
    "signer": "0xb8270662869c6e1E7EA8A4a51AC83ceca88D2476",
    "userId": "314054174"
  }
}