{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152272",
    "entityType": "User",
    "nonce": "0x8e65e301ab499482f05d9fdfa4899152c401ffe310215d4461f537b1c1ccdb11",
    "signature": "0x3cf2fbde5a2a6d9ad7bf91643ca61a2fcabff5afea7990bbb5c389105197aacd321f8b7ef848d17cf97d449e85076d815c089e62b325670c16033ecd92c2e3ae1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}