{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x46d6ad861ee1f7a00d28ae190f9492893b5acbad6175754462cdb2a2aeff25e4",
    "signature": "0xe5614c05ebbe8625bfdeb7e246f9db844cbb746fbc754868096ac433d07431fb07f0ba2321ecbee958f1a5fff51bf3cf81072d080ba26ab2b40e0922ce3d026f1b",
    "signer": "0x68C5055FBaf60dA4F12097A1D2DEd717450F7330",
    "userId": "836374706"
  }
}