{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "271997",
    "entityType": "User",
    "nonce": "0x72a7292291873e73378dd2e5af35b011d0e104e804edc25fad7efea9e1fb682b",
    "signature": "0xf1f15b62a0146f361fd0a4181550cc7ed8d1fe06c1bbd11dbc2b81169802cadc49dc85ae21bc7bd9c4d887e91d14c645bea135c800c8e43838b32a51b3ed98091b",
    "signer": "0x87CA5036E89495C33C212Fe31efeF0621fF69bac",
    "userId": "1311057"
  }
}