{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x57306d89a258977565df9dc35e2f67f8dfdc0ad8f0aab72ce695ee09c28c9556",
    "signature": "0x11a1bc45eb3b5a773e234d1e9acb33a86ba46df1151f6855d59cd72528c4bd0644d0aeaeec98d5ac49cbb0d16c1ea841e0a2c2d4b2378310e40ce9fcb38694a41b",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}