{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117877",
    "entityType": "User",
    "nonce": "0xf6317984eff8b9294dd351dc4f206a4ce8c827cfc50dd1383f1cdc4f3f3b2a2d",
    "signature": "0x7ccf7bc2edf487da57253a012a1c412506e55a6595be669651945af6cbf3e19a6e5f94d092ededbe3cfc9693eeb7edf066f6c1f72b766a601ab4faf3302d447f1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}