{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xfd3a836848031dff07c351767676db858afab46a579fa56b9d180caba24fd9af",
    "signature": "0x19a849b12dd3d3b4a68033ad55ddbba0a6b14887127f995e8f8e687b40ea890825b1d8f1c1e99299d8a6498dede134abc43757c318eee64aab794ef036ed46ac1c",
    "signer": "0x538B53545E1fb97bC3766E4851D655E9Dd5B6101",
    "userId": "114736985"
  }
}