{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x109716a6e70ee031556d1b4af32eb386c46f661c0a2f2c5b47652c65a20c1e7e",
    "signature": "0x696ec5a669fb9b6196ac4abce02b1af969adc9d07faafa8e618d4a9d36ce47c51d39c12c899aeefe3c7be3c01e1aeea74e281b8c79180e2d3513b95e5862ab411c",
    "signer": "0xC1b01545cFB07eF93Ea96354a43eDfCCeA1e33a2",
    "userId": "431093315"
  }
}