{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52161",
    "entityType": "User",
    "nonce": "0x55a95c24294a0060013074e9be57e44fd3e2f4fca60cf3f17dc102f9a743a622",
    "signature": "0xc5a51c9b61ebf22ca9d633dd74cb596c4e3aa8c98aa7be8c98702ff58d2335f94a6c7ae0319911eb4e95bf9f4c2e81105ff5127b466cfb1545710260cae7b44f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}