{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8c542478adfcfbf865c08241ed3aea3894881970e5d341d558d0cbbd420e59bf",
    "signature": "0xdf5163fce1aac2dd8e88dec2670e769caef3a03bc9fa27347207484eced4d39532bf21f2eb2bf64a1afdf29756ccb6ddb88ddacc490982a556846669e1691b741c",
    "signer": "0x7aE45CC330C497071790595228269c0cD3a72A8e",
    "userId": "297443813"
  }
}