{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311257477",
    "entityType": "User",
    "nonce": "0x9b3371c0ccb931bd1a116f4c0a0689002268f3cb80772b151f2f875aa5eb65f2",
    "signature": "0x55921ca2b3f4f46a6bc380b5caa4634bfad724b44642617217d28dd7c948c30d234a45b8bb1f50c02f3ede32253c3370c73bdedf23ffd880ed60f9a443a2ebc11b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}