{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70839",
    "entityType": "User",
    "nonce": "0xc273029aa082a6efb9145d19d189d07fc7ef88a8e14232ecd7730b10a0864092",
    "signature": "0x0ab87a7ba1c9ea315d082c619b8af5290e666b1958d0c1fc88d69addff902b0a5c4b1f8a46bf66e371ef2bf9d137799912a84663169af76280f3efffa33d1d011c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}