{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0x7e1c76eae12ff04e5c4b4c6de505a7041e7fcbdc2b419665a853e945b9a5ed93",
    "signature": "0xb8d87181de57495d36eec15cf988c077761457b397c78fd9b10259a1d8e85db16f87d55224a7ee064a5beac35514d6ef3cd0152f5aa9cace29d3137dfaaa47f41b",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}