{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x9f9f3f08858acff0bf92bb127dc9905a98eb3ebf29715045b56e1d7e943490d1",
    "signature": "0x29fbbc23fe3247d49f38a163a1a0312645a8a93267e8c23dfb90ecbafc31ddc011f3ee9df4afee3fc43e4d7e8bd09a9dddf87f9ef556ae29473d0dc45b45245d1c",
    "signer": "0xf1371287CcA349Af4a653c15B0E788bB01fc7eBE",
    "userId": "184922871"
  }
}