{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349670",
    "entityType": "User",
    "nonce": "0x84cf907553942a185372d1bce4e697ea68d9ae1c69ae4a4234ad88edadd9a4ff",
    "signature": "0x2058458802bc9cbdb8c9886c572aada9fc309e5446d4648e62bf7d5edab3b28e7f5c3f8eaf6670088c2c3770cddf6d610c8b9b588ade1986c598b244db95056d1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}