{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xced5d59fa78c454be9cfbf17217092415af44b8d9fd82659845bfe4f4e875622",
    "signature": "0x782479cdf9df5ad1e2ceb847a5fa1077a5b6433b9d54e691d6e20a2c087ed8477242b2c81732f05775aaa7d8c70a1512909622116cd8579efe6c6be6a44a10ac1b",
    "signer": "0x569AD4a425B92a964d8e182094f4aC58C0673162",
    "userId": "577745560"
  }
}