{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbe20e2b64f1285a7d4294c5555538a695f73c7cf2cb428c948106f8411458544",
    "signature": "0xe3f57b951ca411a4e5a7739d5c5796e98b49a553bbae92532b070c114f89875b46ec951ba5f789e3d4337ea8a993cec9efcad9cf892fc532d49c2c1da10883531b",
    "signer": "0xc1e08Df79e1f0162B7300A4bbd606eCf9404AE4c",
    "userId": "129545386"
  }
}