{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0xe9001470e50c1479bd2e9a62dfb50a8763fb07dcb163e10d8a9d6f0a6c8e2fe6",
    "signature": "0x4717da225d8d2d8f985a6bd42de73c21b643fad380565f54badb52cf86a9e5cd6164e6c2080cb700e609adc1a5a6cc303866a458eabcf2a10ad53e37086aa98b1c",
    "signer": "0x6c1C8d036b3c0119e31Edb58B17D120E6e91C833",
    "userId": "206524150"
  }
}