{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0xaa6b7911322996693cde65142d7d578e8f4733dec6ef4bc890ade0c993d0dc55",
    "signature": "0x9ffefa6ed01b0ff8165589ba59330b0fc626c5de5c0803f64c797c1ae534f82c3113782bf1a4c71bf5d6aef20a3aa1a04898fb2d097ea74de9a04c418016e2621c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}