{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xf5a5daec14c55d557bb289e1577a7bc5e573a4e0560ceb461b4145f1f6e566d5",
    "signature": "0x8b2a601c889763f0d71dfd9f9aef3d898dd6165c0a2964d5ba4b9765ee504b433df553a3c48222c7161b023a143d1a0ab596aa76449cd86fce53a5f22190357d1b",
    "signer": "0x5Af531A9cDF9747df40f57531227d70F1bdD2ed7",
    "userId": "511108744"
  }
}