{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x6bc467d56160c3474f0f3d17fa638fe43b1adfd507562375a99ece897b824e83",
    "signature": "0xc8da6b9430302f953904c6c406392d1eeccb0be5e983d18b3d91f39d1fe1c0ec574cb1b59b8538aad7ed75bfaaa9bae1bb926ae9cb7282edf1d66c567b0b74971b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}