{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "411390451",
    "entityType": "User",
    "nonce": "0xec013dccf0f12481b3a5be764a26596d45d2f6c141caaafc831c65fe458c7776",
    "signature": "0xb69884c086d8d36fe9387dfa97149f77ed1aedd5ce21880136a2ca429d2534854f2768153fa38e93ca8a6bf521d66ad5883d89372e2ec3f6cc9acfde815c7c591c",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}