{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "343",
    "entityType": "User",
    "nonce": "0xc6dc7f5a729463b65fefed938848f632fe528c4b6ba9be2f2eddfeecc20db22b",
    "signature": "0x00f74f1cf1a020add6df2df4583623225fb0539367c7bbdea37eb5e68241f7226b43a2061aeda963667c22340b06479e262bdf856a3fd3c6c750ae2c5ca9df601b",
    "signer": "0x90FD14E5f569756111EE3AECbcE1AAb95c2A01da",
    "userId": "86867162"
  }
}