{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "210894",
    "entityType": "User",
    "nonce": "0x5078c654ee99f213ef76b68390e62f9bb70c67b5ab8f13bf0d1b1669ed2d2d81",
    "signature": "0x6d5464cc2230b0333e1b46b2e645e70c82b5f5975182b586253ea38d7806df2849f5962acdef4ddadf9a52cd0ef56fa1582154ac1e4dcf80e9a925ff9080b8821b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}