{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29145",
    "entityType": "User",
    "nonce": "0xd178b0ca4d2bf851a7c2bef85bec5eff5d4a8568d416f4e715867cb35d63d681",
    "signature": "0xffa1cebb120ee923efd041c0daa7e915d6871c1899edd23e29d58617da916104038e07f5ef29663124b6e5a76be7cb13cca7a0dbbc42e376cf6d8b2114fd2da11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}