{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x0ae2c1bc4df2873f1846de2fc3e884b8813713c33b4094a4694411c424d8ff05",
    "signature": "0xb0501a6932563698628443d0041330584c1566d717d4973e65b19d3f05c7222c7a1dc6f21263305a436be15d5ad73b873a13a73d22ddd923c02ea161cb56a65e1b",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}