{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57649",
    "entityType": "User",
    "nonce": "0x4b730c3aca01b24eebc788d4d43a3e628684c00e08c11dd7fc7cbcb5ca0a96fb",
    "signature": "0xeffb035ffe37fd997a13077dccc08f0711d85bd885185a0940996ed4dce202f91e6cadc901a4c233ae39a98cfc30db67ee64caeddcf47503bb6312d1455fdb631b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}