{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x25cd8670953eeae12148d6c1ac7fc9fdc0bea87dd3a8b40f4388f4ac4afbd670",
    "signature": "0xc7b480f7b392d6e48b40b31565216af3fb06ce9c3d14750705a9850a45b45d9362f84938aa98b4fc06ed4f8899bf6a30fd1ccea8099e4be6266f278fa6eb0b7c1b",
    "signer": "0x8630BD2201Fc204d20adB866954f02208251668C",
    "userId": "72079189"
  }
}