{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105264095",
    "entityType": "User",
    "nonce": "0x5663a30bd6eb1a6ec5b4226d0c6eccad12a2298cf61ea5254e96d1624d66fbf7",
    "signature": "0xd3afbe743827062e00694c581bb3b5c0bac0411520757ca7f091d7e1fe53fd932a0dff57243fe415c62cc511db93b4093575653d98d5622b07a98a45a4aae90f1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}