{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332169",
    "entityType": "User",
    "nonce": "0xcfebe924d0782fd6bb8c3b55d0a97bd022ab3ef1ae985db37ed7575d36cd599d",
    "signature": "0xd0013e1690ac5ceb01484183186de7f8406d19fae7da70ecba6d0a126341cc8617418a34adfa8497ad542b13298abf09348ce58c0dfb0a62d09660f8b67039af1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}