{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "436176942",
    "entityType": "User",
    "nonce": "0x939c3582ffd0a87a26c34c5b9afb8e72928fa40701e26c4637ecf3a8d9b3a2f1",
    "signature": "0x18e11ac43a93fb5c6d9a47451702b99de210570fdd52d2054669830d59337bcd68668fd7a192e82f44503ccd06212520846c903698c4f32dcdf22aebc4cb59f71b",
    "signer": "0x5EbCE600b54E0129997395991AC72BE65BB674AA",
    "userId": "843653281"
  }
}