{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x6ae48e64fc3e619e20abd745a5ff123c6eee719910ae3a5bbc4156bcba245fce",
    "signature": "0x39980583cd6d1e18f1f35851df71f2f16cc541705e3de1bfd39a9526afb2e2aa28ec0e27ad49b3f5fb07126ed199a33652625a0539f489ece4b9b3c4284d56b11b",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}