{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62664",
    "entityType": "User",
    "nonce": "0x43f00593d5e89e99032ae9d72d5d3a9664a7fcd8067e909fdacb70d6ab767103",
    "signature": "0xf74cb66f52859bb94e475add3fe5d03f892f7d2004491b261abaade521602e63654a2b933e6d99e645aea9b7d919d8d2450cb6cc38e04c1eb0f26a2e64dcbfe31b",
    "signer": "0x8097f7562D3D2F9cbdBA391c45c0D376E438625d",
    "userId": "51978829"
  }
}