{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x1168c22dd9e41ea5492dc4ff311e3c2b3216ff201ad914f2474059028f9a239d",
    "signature": "0xecd4e9bbf43aa44a5431e6ce3c0aa457f3c9a329555aac154933cb0f49f99e98759ccbaa96cbf59ee247177121509c864cebd1943b34c30c7a1262fdab9daf4b1c",
    "signer": "0x7FCffbc9FB7516A6453F59c5b9918Ea8A7EB33eb",
    "userId": "502388335"
  }
}