{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0b435d114aa80c03748da68988030be6f5bdd6ac0e7dd72706d6fe15d32a8833",
    "signature": "0x40e45105e64d5c9cbde9b1c245b0a7648a9967616fa3f1fc20182b7c39ba20952e3cfe588d7b5c185842f3c3c7ee1a2986c0364a551fe3c79f72991ccb07a04e1c",
    "signer": "0xA07bE008930F709298D5Af61a1862CE5190F662B",
    "userId": "593681853"
  }
}