{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4793",
    "entityType": "User",
    "nonce": "0x9bbd7593b29f9e5fb52c8daf36341d2e9ffa380e6540a48c675e1c1de8724174",
    "signature": "0x9fdf6c3c28b5c29614af0975db59b5e693c48bbfb256d12800c420e299837497130074624ba40398b0d04bb72a6841b80269faa5c62e38e8530e1d63ee8eeeb91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}