{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "627307977",
    "entityType": "User",
    "nonce": "0x7583a616ef7ba4520ded99b317340ce641ffda82f53e8b5b392d008ce3062bfb",
    "signature": "0xaaa594cba921b058e623d91d9c90ff5224426fa75ba513717eca1840b6ef4b6d49afb1da1e04a33be84821326977d3e9b71043fffd33ad25d38b520a504a67381c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}