{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60790",
    "entityType": "User",
    "nonce": "0x61516daa23728b0d460f8e5454c4764305268fda1b9e759fb46e11cebeeb12c1",
    "signature": "0x8948fc497f444c076280af1d25429d8f9d4f141604def4957242f30c292f7b1745d4df88d100a7547378303389fd2264a78b8849eae87d29cfb123d258f612281b",
    "signer": "0xc7c27db18a3763967110405512b2122aCF189837",
    "userId": "195061966"
  }
}