{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xccbeefdcfc269b0f0d5586c67f7cacef267003e1d4a91fc6a605390e669227cb",
    "signature": "0xe33ed51f297996c093a00bf87364b5725da5d76d8ae14a0e0e55531cc34b16cb4eec47097504ed448da7f0ef9d7429814e468ea5600dd936687f6a47f1b938cc1b",
    "signer": "0x62201a2146079A014aD2E748e4Eb6180eE90C4C1",
    "userId": "760481887"
  }
}