{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77307",
    "entityType": "User",
    "nonce": "0xeccf780a1362998eb47d0177d63eb25caf979ce9ffdfccb3c29c94092d252f17",
    "signature": "0x8c310304867feed9131810443a6648a707a715c3ca03291645ae4389159419e14a76ea4072cd89d661d00aba3f2daeb761a9493614d566b3dfd7dd58517f378a1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}