{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xf6b83ba8f725f2d0eecaf81515bdc38a96cba1345d13655caa620a12117be869",
    "signature": "0x5bd10daf881916ab967866e838faaa28d63baa6483522945a974e75238ad8cb27ce41139a2ba7cca32b6e90cedbebb2543af00be32d0cdb7aea2b195fef32a301c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}