{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "384929009",
    "entityType": "User",
    "nonce": "0x44ca111e483d0f4ba41287bc1c21548ce140e37a3fc861c0642ec698ca2f21ed",
    "signature": "0x1813854d7bdd8b84da2e5a1169ad88e4b05b3546458c7da39152e81d0af5062c68b92d5b3da7b2a4455e015c93abc20abc29d9fda8f908d25d692c1863207b611c",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}