{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x84075c21f30265117986ae9ebfb21989dd8f4a373fbbda56a3ed420eb2d62a6a",
    "signature": "0x7d0699ce08ba59f88a72bf41f422955572233d20e5506376d87557b9be7c6fdc6eb65e1e7ceccad5518e2ec2e9ca0f3a5ebe61421fdba095f211b7624c5e12881b",
    "signer": "0x6cB5bED73dc9452CefC98165CD1c56F548A54757",
    "userId": "481566653"
  }
}