{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x93ded44d5da9bd12264845293801904ba9fffc52a750629a3a0123ca7582a8f5",
    "signature": "0x6ccbbb3a2a0853e6dcb13d5420416bda6320733d168f6822285a5239fcd4c00073e6fae9d8c7dcb3f6fbb8ba67039abe46d8ed6f160688b12cda9685fd2c393d1b",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}