{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xce7e1e234f213c105d6b2e816a07eaafc7911f89d419e3402dcaafa179b0e0dc",
    "signature": "0x1d81ec6a05f9864ecdb03a361fbf1f75daa3bfe0bf9368e8465aea13b4929640080c665dfae1300e519f7b55452f51b11a86621585d0ad5c0372654fac301e221c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}