{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3396",
    "entityType": "User",
    "nonce": "0x7c6cb5800399fd635770542d9ae71d97c99b9ac439f8a4022b0971c125145f6d",
    "signature": "0xc650156b1877c4f30650a1a3a73c0267934a14723f326bffbe10b010218e54ef666a9ae3cdfc75d97a9a663dd316bdfb7736dfae9a0e2011d63b48b3f1f24b901c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}