{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107436",
    "entityType": "User",
    "nonce": "0xb9fe8b89e186198cf65143b1406b77f0012a7ccdeafcfb8760757e30ab1d0007",
    "signature": "0xfdfcf5e9a1a8598bd1206c185f5f33b9a4b14b6ca94303eb8151835fc30f7c6f4a79d1ac3f24cd17466ce32b230f49dc9844444ba346c212383a13c4c5b7840d1c",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}