{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x220cac6b580745bc3a7ce64a36a81a31d1da5ebf88f3420d9a4a3a36150c82af",
    "signature": "0x7070e5d902edf6409cfc965c31a21e2bd465db1b9bc50cdd366074a59bac789768337073b96b3fcbdc8639009903ca4ff1c008f24c6236f966418953277333131b",
    "signer": "0x90A9206Df4cA22A1ad24bfB7F1b639Aaa812Ac58",
    "userId": "266782887"
  }
}