{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100222",
    "entityType": "User",
    "nonce": "0x0fc74333e14c74f75a1912b4c8cf2ea32fa48ec3c6750be23610eb064459040d",
    "signature": "0xd27900ac608f73548bc916851a5f98cd72aba7cfc00aa49b241d0ea7375a9ad26a04bdbc13bacd15c4d32b2d6e3ca906b1d21375cfa3ef04545796d1c05f62261c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}