{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "496833182",
    "entityType": "User",
    "nonce": "0x32bb641a141b9179cc15c2f5d9e3d59c7f032fd03cba040b99d394bc98868070",
    "signature": "0x1ec8bdf358c6fe8419e0a5a7aad62fd8cebda4eb3615c496d353f7811c4a130338fd6d521b9c7303d1c057e94c6d285b96ad4500204160a4aa27a520dfb4fcb41b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}