{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3cf2a424ada92cbc22218bc5122186d87e0064a0156986b2736875016ce97042",
    "signature": "0xe42dcb22a67664290c0f3bca1d0bdb07df5105794ec6b73addb4da5c14048a3d0436023a894f0129ba63f4b7d964e3bd1fbb71b67d9fb1a98dff2b2f2cc557611b",
    "signer": "0xf76Be3e57D30ebb176cA7D31f49157c7f56E6b0D",
    "userId": "204302128"
  }
}