{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74652",
    "entityType": "User",
    "nonce": "0x0153932b190f5dc537408444f2442c681e2ef60831cfd1fbe6306f555dd8abe6",
    "signature": "0xc49d62d9d7b09fabb9680ae750aa98aa019bb902dde0d3439a00717b25cf03110471fb9e42b36b1cde6628536d267f74abb2083cb98d690ede6b184675ad3e7b1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}