{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346849",
    "entityType": "User",
    "nonce": "0xb15ba6f9081b9af90810e0e1682530b4768bfb7467d087240167fa8da07239af",
    "signature": "0xbb7249278f1bf5d4685a074162acde5c7dbcf83dd8f297a1e3151b500862e2c815bc5fee36a33ee53454f7641f2f8b34f3251bd5bb8323e05297ff76f47ba5711b",
    "signer": "0x5642523A896f5Abe636541e24da44F54ab8E9790",
    "userId": "635508657"
  }
}