{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12462",
    "entityType": "User",
    "nonce": "0xf3c0f381f8b2affb60798a16cc2ed92a2528a08fadaa2bf6429f3aa756496fdd",
    "signature": "0xb72dbda315920d1bb0b1feb4c6300c9abdb2d954837d6383513ed042304692b54b2b3a9bcccb2e163a6facdacfa11ad0c89d66d2ce4cfb34664c8f72cfe1eb651c",
    "signer": "0x1080460F21DCc82D7160d2C77DaAb22a92c4dD22",
    "userId": "162106877"
  }
}