{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970570438",
    "entityType": "User",
    "nonce": "0x3009ba11ae8a357f24d089597dd6d616fdb6cb4358716cc8ab3b40c8d5726eb7",
    "signature": "0x2a1c6228b1864b7e61eb0a2a72ec18957736cef8f224a0e17fb762e29fc54e1a53d527a4e7726682a122cef6b11c5c712fce31c40cb26253338e35c69847fe8c1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}