{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1143651",
    "entityType": "User",
    "nonce": "0xc09e421715f61f436447e95d09b89f809f67ab1491c6d00e211f141b563e8d3c",
    "signature": "0x8e1a9fa7915a520e8b41a4758e5b3743f310ec32f35a0130bc78f0c939b9f7a97bc9ffdd8411c0d7d23219ea98ee671edf82eaf87b2856cbb631d30ad9de91061c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}