{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51154",
    "entityType": "User",
    "nonce": "0x6104ac1900bd5ef29a0a79dcfe6ce0d9b7ee399ecbd39d2106d78df670886edf",
    "signature": "0xdb1b7a9224824ea731c08bf90d1b456eaf6b784881f974671df639b8c9217bc61958a51416711b519e2bb4cb2f9efc6bc4f8b3b09f0b3df7be6dfbf0181f12fe1b",
    "signer": "0x0Cb8508DC22f3eC228338F94fB8B4063F7418EDF",
    "userId": "708077815"
  }
}