{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124060",
    "entityType": "User",
    "nonce": "0xbcc373c3053f43dc1f14b9c4b4c78512a1344b2b23d408670f5ab8820a538211",
    "signature": "0x38808586551054a7da2055fbd979c5fc4e0e75f930708a9f6c465c81e07ef2d666db3a69f09488254dbca73fe084d2bab70d5993100e0407d7b03b3e86b0c4361c",
    "signer": "0x7219028Bf0FC67b741f48dd8A049582d589A22fC",
    "userId": "578212224"
  }
}