{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683609933",
    "entityType": "User",
    "nonce": "0x08334ee596768c6be33fb86ac8a58687cfefd9b8654328730bbe57f241a65314",
    "signature": "0xb0cc7290f1ba7da00765b300e892945f48e2f472fbdf32f0f56916e42b105e340b13fbcca3716324de9c85720cfaaee2d5c7bba564bbdc44b356d3095a79bca71b",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}