{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159329749",
    "entityType": "User",
    "nonce": "0x97f70aa1d091999e2fa078d13b15ab2048319287c7308688d916c298fc691a50",
    "signature": "0x7db6c12b17be087f4ea6ae98e5fefcc5360f4b36f795149d3d72d791dd0560391c2d2e296b9a4bd60b3415ee59e05a37b52b2b01913d19c46c90d1219ec54dcc1c",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}