{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37362455",
    "entityType": "User",
    "nonce": "0x995e3f57885a3a8570a669356afbaca766921d6e17fec484d0676e5762e9602c",
    "signature": "0x4b6eb6d22c6df8bce808a400e2fab4f68044ba23b9058bf62315fb0201b1d6f910513b28d5b603f85eee951c4eb5cd17970131e8b6a51d318b8eb2272235bf131c",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}