{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29089",
    "entityType": "User",
    "nonce": "0xe48a2f9d265540dd95a45beffa908c76473dd7f5a99bec1c445f1d3922780f7d",
    "signature": "0x15e8bbb9660506cea167c9a69f8e69112eac2270889e1c7d82c4913917b227457e9394388c78cc996e8c6cc358bf2be8f98cece57360bb9d856eda12efcabae61b",
    "signer": "0x7b591BD45F737DE2A731fb88D1fB7E15A7593a34",
    "userId": "535988268"
  }
}