{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "231243",
    "entityType": "User",
    "nonce": "0xd9c3f3cd003624f08c71075800d898e46cc70ca0eb021111b17cd316dfa2fbf6",
    "signature": "0x27570a3ac100854b73e9ebe464285f28e196939c31f058094bd3bc3ba8df2e0c4177ce02997483ccf9ffcad55df75642d6c9deb9dcac6009bfe88dca7d0abffb1b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}