{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59439",
    "entityType": "User",
    "nonce": "0xae988041ab9f0920c23e11633cfd5b23c73766961219d246b6e36923adfb6436",
    "signature": "0x7b6afef4595c8580d21623c4ad05dd38dc3aa62e39f87491ff441f12d8f0924e350bde03a7e7136b5525a5139a9d71249f9efb7a202a3bd668967d95f6d200821b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}