{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "785188686",
    "entityType": "User",
    "nonce": "0xa53c1bec1a48ecb307b43ce477ac787b63266ad8e5ff0f4f32bda764c3fa5726",
    "signature": "0x4e0437211cb7062e81805075244ffa596de0f5f8c52f1b3e86aadc8d8708e32b165cafa23ec8d33f9831d10cfdba8e8bdc71a3e408eee611778cbaa5f278ab601b",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}