{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3537",
    "entityType": "User",
    "nonce": "0x78bda2e119e37b192a253b241552de35c186458deaab0974d9242de10f5b3214",
    "signature": "0xeb416dd3f22062ba5245dc119a81088cca82edeca8958613f9cc2f7a3221b48327c0fa4602256cc4bc3ff8a8544aa1c52729577d7a10b8b61b981d8d960951251b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}