{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97575",
    "entityType": "User",
    "nonce": "0x8d5741af1411c11d98d11046995e0dea9b1a5f5d0d592f9641906a05317b9c34",
    "signature": "0x915f0553e9a285cc7a64dc470f10bb6871e5129e2fc8906c3e78d5b924de3d8b7e29f2125c2dc31a4178146df6b76b61ef886979026852f1e9dd2645a70168571c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}