{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332438",
    "entityType": "User",
    "nonce": "0x1e464eb0aa769c58cfa6137387ca5d8af137e1ece2dcbc4d9668cebd963f3316",
    "signature": "0xedcad12258df72365cb61ee1dad42e5d9852e6b40d32f5f77fbe9ab8f6fa31ac70dbb0213c05d0a467f60482d89dc060f012e0a9d9d4b16a580f1f625b5303451c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}