{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102629",
    "entityType": "User",
    "nonce": "0x60c507ace30fc9a6bc08aef8e98da8b7e619bb5a9988e267b6d0bd46a7439d70",
    "signature": "0x4c9049c8b7ae4fa5c14bb9aade03acb770ba55cdef042af42b4360ab6361f6c81d360ca9813df9980f4ef6c5a54c0ca107851450eddfb474b4a47242f36e74de1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}