{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108884",
    "entityType": "User",
    "nonce": "0xe7592a0a467a68bdfbf16908b3c122d6742b8fef30f9847be1e3c8f34a7fa91c",
    "signature": "0xbe03a6296a00819fb02eb443d632de066d7ca3409ca562bc6e7fd189898eeeb83837b3472b966daf13708a3e1e0745d0eeaea0e1e0154b9dac0ac4577123cbba1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}