{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x96c9b360a6e24816325b779679949a94943023ee4b74de75ade665d198d4da7a",
    "signature": "0xf516f662a55c445e72a54d5e1ac87b59e2461e3dbdeeeb56d2e9a44305105d1770c3fbd6dbfe54c5281c4f7a22795c1d0b3bdb87f916097740dff456bc89098c1c",
    "signer": "0xCa1b03459D32ae9af010f30e47fC14492085F4e1",
    "userId": "705098578"
  }
}